Home / 709,501.80-1,064,252.70-603,213.60

Finding the Fourth Proportional to 709,501.80, 1,064,252.70 and 603,213.60

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Solution

The fourth proportional to 709,501.80, 1,064,252.70 and 603,213.60 is: 904,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,501.80 : 1,064,252.70 = 603,213.60 : x
  2. Step 2: Convert to fraction form
    709,501.80/1,064,252.70 = 603,213.60/x
  3. Step 3: Cross multiply
    709,501.80x = 1,064,252.70 × 603,213.60
  4. Step 4: Simplify right side
    709,501.80x = 641,971,702,476.72
  5. Step 5: Solve for x
    x = 641,971,702,476.72/709,501.80
  6. Step 6: Final answer
    x = 904,820.40

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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.