Home / 783,561.40-1,175,342.10-736,322.20

Finding the Fourth Proportional to 783,561.40, 1,175,342.10 and 736,322.20

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Solution

The fourth proportional to 783,561.40, 1,175,342.10 and 736,322.20 is: 1,104,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,561.40 : 1,175,342.10 = 736,322.20 : x
  2. Step 2: Convert to fraction form
    783,561.40/1,175,342.10 = 736,322.20/x
  3. Step 3: Cross multiply
    783,561.40x = 1,175,342.10 × 736,322.20
  4. Step 4: Simplify right side
    783,561.40x = 865,430,480,824.62
  5. Step 5: Solve for x
    x = 865,430,480,824.62/783,561.40
  6. Step 6: Final answer
    x = 1,104,483.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.