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Finding the Fourth Proportional to 610,479.50, 911,273.05 and 565,454.64

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Solution

The fourth proportional to 610,479.50, 911,273.05 and 565,454.64 is: 844,063.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,479.50 : 911,273.05 = 565,454.64 : x
  2. Step 2: Convert to fraction form
    610,479.50/911,273.05 = 565,454.64/x
  3. Step 3: Cross multiply
    610,479.50x = 911,273.05 × 565,454.64
  4. Step 4: Simplify right side
    610,479.50x = 515,283,574,429.45
  5. Step 5: Solve for x
    x = 515,283,574,429.45/610,479.50
  6. Step 6: Final answer
    x = 844,063.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.