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Finding the Fourth Proportional to 591,804.30, 886,977.45 and 402,264.30

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Solution

The fourth proportional to 591,804.30, 886,977.45 and 402,264.30 is: 602,900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,804.30 : 886,977.45 = 402,264.30 : x
  2. Step 2: Convert to fraction form
    591,804.30/886,977.45 = 402,264.30/x
  3. Step 3: Cross multiply
    591,804.30x = 886,977.45 × 402,264.30
  4. Step 4: Simplify right side
    591,804.30x = 356,799,363,040.04
  5. Step 5: Solve for x
    x = 356,799,363,040.04/591,804.30
  6. Step 6: Final answer
    x = 602,900.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.