Home / 698,244.30-1,047,366.45-432,523.80

Finding the Fourth Proportional to 698,244.30, 1,047,366.45 and 432,523.80

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Solution

The fourth proportional to 698,244.30, 1,047,366.45 and 432,523.80 is: 648,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,244.30 : 1,047,366.45 = 432,523.80 : x
  2. Step 2: Convert to fraction form
    698,244.30/1,047,366.45 = 432,523.80/x
  3. Step 3: Cross multiply
    698,244.30x = 1,047,366.45 × 432,523.80
  4. Step 4: Simplify right side
    698,244.30x = 453,010,916,946.51
  5. Step 5: Solve for x
    x = 453,010,916,946.51/698,244.30
  6. Step 6: Final answer
    x = 648,785.70

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Double scale
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Similar ratio
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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.