Home / 729,476.16-1,006,845.04-427,767.36

Finding the Fourth Proportional to 729,476.16, 1,006,845.04 and 427,767.36

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Solution

The fourth proportional to 729,476.16, 1,006,845.04 and 427,767.36 is: 590,417.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,476.16 : 1,006,845.04 = 427,767.36 : x
  2. Step 2: Convert to fraction form
    729,476.16/1,006,845.04 = 427,767.36/x
  3. Step 3: Cross multiply
    729,476.16x = 1,006,845.04 × 427,767.36
  4. Step 4: Simplify right side
    729,476.16x = 430,695,444,689.89
  5. Step 5: Solve for x
    x = 430,695,444,689.89/729,476.16
  6. Step 6: Final answer
    x = 590,417.44

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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.