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Finding the Fourth Proportional to 566,718.04, 782,070.82 and 312,068.60

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Solution

The fourth proportional to 566,718.04, 782,070.82 and 312,068.60 is: 430,654.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,718.04 : 782,070.82 = 312,068.60 : x
  2. Step 2: Convert to fraction form
    566,718.04/782,070.82 = 312,068.60/x
  3. Step 3: Cross multiply
    566,718.04x = 782,070.82 × 312,068.60
  4. Step 4: Simplify right side
    566,718.04x = 244,059,745,898.25
  5. Step 5: Solve for x
    x = 244,059,745,898.25/566,718.04
  6. Step 6: Final answer
    x = 430,654.63

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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.