Home / 729,320.04-1,006,459.56-407,026.44

Finding the Fourth Proportional to 729,320.04, 1,006,459.56 and 407,026.44

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Solution

The fourth proportional to 729,320.04, 1,006,459.56 and 407,026.44 is: 561,695.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,320.04 : 1,006,459.56 = 407,026.44 : x
  2. Step 2: Convert to fraction form
    729,320.04/1,006,459.56 = 407,026.44/x
  3. Step 3: Cross multiply
    729,320.04x = 1,006,459.56 × 407,026.44
  4. Step 4: Simplify right side
    729,320.04x = 409,655,651,710.77
  5. Step 5: Solve for x
    x = 409,655,651,710.77/729,320.04
  6. Step 6: Final answer
    x = 561,695.32

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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.