Home / 765,460.64-1,056,223.32-459,472.16

Finding the Fourth Proportional to 765,460.64, 1,056,223.32 and 459,472.16

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Solution

The fourth proportional to 765,460.64, 1,056,223.32 and 459,472.16 is: 634,004.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,460.64 : 1,056,223.32 = 459,472.16 : x
  2. Step 2: Convert to fraction form
    765,460.64/1,056,223.32 = 459,472.16/x
  3. Step 3: Cross multiply
    765,460.64x = 1,056,223.32 × 459,472.16
  4. Step 4: Simplify right side
    765,460.64x = 485,305,210,282.77
  5. Step 5: Solve for x
    x = 485,305,210,282.77/765,460.64
  6. Step 6: Final answer
    x = 634,004.13

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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.