Home / 947,279.52-1,307,230.29-517,550.40

Finding the Fourth Proportional to 947,279.52, 1,307,230.29 and 517,550.40

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Solution

The fourth proportional to 947,279.52, 1,307,230.29 and 517,550.40 is: 714,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,279.52 : 1,307,230.29 = 517,550.40 : x
  2. Step 2: Convert to fraction form
    947,279.52/1,307,230.29 = 517,550.40/x
  3. Step 3: Cross multiply
    947,279.52x = 1,307,230.29 × 517,550.40
  4. Step 4: Simplify right side
    947,279.52x = 676,557,559,481.62
  5. Step 5: Solve for x
    x = 676,557,559,481.62/947,279.52
  6. Step 6: Final answer
    x = 714,211.11

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1.5x scale

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.