Home / 771,497.60-1,157,246.40-649,846.40

Finding the Fourth Proportional to 771,497.60, 1,157,246.40 and 649,846.40

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Solution

The fourth proportional to 771,497.60, 1,157,246.40 and 649,846.40 is: 974,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,497.60 : 1,157,246.40 = 649,846.40 : x
  2. Step 2: Convert to fraction form
    771,497.60/1,157,246.40 = 649,846.40/x
  3. Step 3: Cross multiply
    771,497.60x = 1,157,246.40 × 649,846.40
  4. Step 4: Simplify right side
    771,497.60x = 752,032,406,952.96
  5. Step 5: Solve for x
    x = 752,032,406,952.96/771,497.60
  6. Step 6: Final answer
    x = 974,769.60

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Similar ratio
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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.