Home / 756,141.10-1,134,211.65-698,404.30

Finding the Fourth Proportional to 756,141.10, 1,134,211.65 and 698,404.30

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Solution

The fourth proportional to 756,141.10, 1,134,211.65 and 698,404.30 is: 1,047,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,141.10 : 1,134,211.65 = 698,404.30 : x
  2. Step 2: Convert to fraction form
    756,141.10/1,134,211.65 = 698,404.30/x
  3. Step 3: Cross multiply
    756,141.10x = 1,134,211.65 × 698,404.30
  4. Step 4: Simplify right side
    756,141.10x = 792,138,293,470.10
  5. Step 5: Solve for x
    x = 792,138,293,470.10/756,141.10
  6. Step 6: Final answer
    x = 1,047,606.45

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Double scale
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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.