Home / 747,887.91-1,032,088.05-408,356.16

Finding the Fourth Proportional to 747,887.91, 1,032,088.05 and 408,356.16

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Solution

The fourth proportional to 747,887.91, 1,032,088.05 and 408,356.16 is: 563,532.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,887.91 : 1,032,088.05 = 408,356.16 : x
  2. Step 2: Convert to fraction form
    747,887.91/1,032,088.05 = 408,356.16/x
  3. Step 3: Cross multiply
    747,887.91x = 1,032,088.05 × 408,356.16
  4. Step 4: Simplify right side
    747,887.91x = 421,459,509,009.56
  5. Step 5: Solve for x
    x = 421,459,509,009.56/747,887.91
  6. Step 6: Final answer
    x = 563,532.99

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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.