Home / 897,201.61-1,238,088.87-509,963.20

Finding the Fourth Proportional to 897,201.61, 1,238,088.87 and 509,963.20

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Solution

The fourth proportional to 897,201.61, 1,238,088.87 and 509,963.20 is: 703,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,201.61 : 1,238,088.87 = 509,963.20 : x
  2. Step 2: Convert to fraction form
    897,201.61/1,238,088.87 = 509,963.20/x
  3. Step 3: Cross multiply
    897,201.61x = 1,238,088.87 × 509,963.20
  4. Step 4: Simplify right side
    897,201.61x = 631,379,758,934.36
  5. Step 5: Solve for x
    x = 631,379,758,934.36/897,201.61
  6. Step 6: Final answer
    x = 703,721.16

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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.