Home / 747,317.16-1,031,297.70-479,045.16

Finding the Fourth Proportional to 747,317.16, 1,031,297.70 and 479,045.16

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Solution

The fourth proportional to 747,317.16, 1,031,297.70 and 479,045.16 is: 661,082.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,317.16 : 1,031,297.70 = 479,045.16 : x
  2. Step 2: Convert to fraction form
    747,317.16/1,031,297.70 = 479,045.16/x
  3. Step 3: Cross multiply
    747,317.16x = 1,031,297.70 × 479,045.16
  4. Step 4: Simplify right side
    747,317.16x = 494,038,171,704.13
  5. Step 5: Solve for x
    x = 494,038,171,704.13/747,317.16
  6. Step 6: Final answer
    x = 661,082.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.