Home / 736,589.90-1,015,918.05-478,549.87

Finding the Fourth Proportional to 736,589.90, 1,015,918.05 and 478,549.87

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Solution

The fourth proportional to 736,589.90, 1,015,918.05 and 478,549.87 is: 660,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,589.90 : 1,015,918.05 = 478,549.87 : x
  2. Step 2: Convert to fraction form
    736,589.90/1,015,918.05 = 478,549.87/x
  3. Step 3: Cross multiply
    736,589.90x = 1,015,918.05 × 478,549.87
  4. Step 4: Simplify right side
    736,589.90x = 486,167,453,035.62
  5. Step 5: Solve for x
    x = 486,167,453,035.62/736,589.90
  6. Step 6: Final answer
    x = 660,024.60

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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.