Home / 779,615.40-1,169,423.10-732,376.20

Finding the Fourth Proportional to 779,615.40, 1,169,423.10 and 732,376.20

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Solution

The fourth proportional to 779,615.40, 1,169,423.10 and 732,376.20 is: 1,098,564.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,615.40 : 1,169,423.10 = 732,376.20 : x
  2. Step 2: Convert to fraction form
    779,615.40/1,169,423.10 = 732,376.20/x
  3. Step 3: Cross multiply
    779,615.40x = 1,169,423.10 × 732,376.20
  4. Step 4: Simplify right side
    779,615.40x = 856,457,646,170.22
  5. Step 5: Solve for x
    x = 856,457,646,170.22/779,615.40
  6. Step 6: Final answer
    x = 1,098,564.30

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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.