Home / 745,235.40-1,117,853.10-662,566.80

Finding the Fourth Proportional to 745,235.40, 1,117,853.10 and 662,566.80

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Solution

The fourth proportional to 745,235.40, 1,117,853.10 and 662,566.80 is: 993,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,235.40 : 1,117,853.10 = 662,566.80 : x
  2. Step 2: Convert to fraction form
    745,235.40/1,117,853.10 = 662,566.80/x
  3. Step 3: Cross multiply
    745,235.40x = 1,117,853.10 × 662,566.80
  4. Step 4: Simplify right side
    745,235.40x = 740,652,351,337.08
  5. Step 5: Solve for x
    x = 740,652,351,337.08/745,235.40
  6. Step 6: Final answer
    x = 993,850.20

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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.