Home / 729,197.02-1,006,291.91-402,510.10

Finding the Fourth Proportional to 729,197.02, 1,006,291.91 and 402,510.10

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Solution

The fourth proportional to 729,197.02, 1,006,291.91 and 402,510.10 is: 555,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,197.02 : 1,006,291.91 = 402,510.10 : x
  2. Step 2: Convert to fraction form
    729,197.02/1,006,291.91 = 402,510.10/x
  3. Step 3: Cross multiply
    729,197.02x = 1,006,291.91 × 402,510.10
  4. Step 4: Simplify right side
    729,197.02x = 405,042,657,323.29
  5. Step 5: Solve for x
    x = 405,042,657,323.29/729,197.02
  6. Step 6: Final answer
    x = 555,463.95

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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.