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Finding the Fourth Proportional to 898,160.18, 1,239,430.02 and 535,397

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Solution

The fourth proportional to 898,160.18, 1,239,430.02 and 535,397 is: 738,829.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,160.18 : 1,239,430.02 = 535,397 : x
  2. Step 2: Convert to fraction form
    898,160.18/1,239,430.02 = 535,397/x
  3. Step 3: Cross multiply
    898,160.18x = 1,239,430.02 × 535,397
  4. Step 4: Simplify right side
    898,160.18x = 663,587,114,417.94
  5. Step 5: Solve for x
    x = 663,587,114,417.94/898,160.18
  6. Step 6: Final answer
    x = 738,829.36

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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.