Home / 947,281.86-1,307,267.78-517,588.65

Finding the Fourth Proportional to 947,281.86, 1,307,267.78 and 517,588.65

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Solution

The fourth proportional to 947,281.86, 1,307,267.78 and 517,588.65 is: 714,282.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,281.86 : 1,307,267.78 = 517,588.65 : x
  2. Step 2: Convert to fraction form
    947,281.86/1,307,267.78 = 517,588.65/x
  3. Step 3: Cross multiply
    947,281.86x = 1,307,267.78 × 517,588.65
  4. Step 4: Simplify right side
    947,281.86x = 676,626,962,850.75
  5. Step 5: Solve for x
    x = 676,626,962,850.75/947,281.86
  6. Step 6: Final answer
    x = 714,282.61

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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.