Home / 766,284.18-1,057,392.62-471,887.10

Finding the Fourth Proportional to 766,284.18, 1,057,392.62 and 471,887.10

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Solution

The fourth proportional to 766,284.18, 1,057,392.62 and 471,887.10 is: 651,155.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,284.18 : 1,057,392.62 = 471,887.10 : x
  2. Step 2: Convert to fraction form
    766,284.18/1,057,392.62 = 471,887.10/x
  3. Step 3: Cross multiply
    766,284.18x = 1,057,392.62 × 471,887.10
  4. Step 4: Simplify right side
    766,284.18x = 498,969,936,423.34
  5. Step 5: Solve for x
    x = 498,969,936,423.34/766,284.18
  6. Step 6: Final answer
    x = 651,155.21

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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.