Home / 758,730.90-1,046,610.27-486,702.12

Finding the Fourth Proportional to 758,730.90, 1,046,610.27 and 486,702.12

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Solution

The fourth proportional to 758,730.90, 1,046,610.27 and 486,702.12 is: 671,367.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,730.90 : 1,046,610.27 = 486,702.12 : x
  2. Step 2: Convert to fraction form
    758,730.90/1,046,610.27 = 486,702.12/x
  3. Step 3: Cross multiply
    758,730.90x = 1,046,610.27 × 486,702.12
  4. Step 4: Simplify right side
    758,730.90x = 509,387,437,222.77
  5. Step 5: Solve for x
    x = 509,387,437,222.77/758,730.90
  6. Step 6: Final answer
    x = 671,367.72

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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.