Home / 786,753.60-1,181,296.80-471,825.60

Finding the Fourth Proportional to 786,753.60, 1,181,296.80 and 471,825.60

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Solution

The fourth proportional to 786,753.60, 1,181,296.80 and 471,825.60 is: 708,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,753.60 : 1,181,296.80 = 471,825.60 : x
  2. Step 2: Convert to fraction form
    786,753.60/1,181,296.80 = 471,825.60/x
  3. Step 3: Cross multiply
    786,753.60x = 1,181,296.80 × 471,825.60
  4. Step 4: Simplify right side
    786,753.60x = 557,366,071,438.08
  5. Step 5: Solve for x
    x = 557,366,071,438.08/786,753.60
  6. Step 6: Final answer
    x = 708,437.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.