Home / 897,236.40-1,345,854.48-266,144.76

Finding the Fourth Proportional to 897,236.40, 1,345,854.48 and 266,144.76

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Solution

The fourth proportional to 897,236.40, 1,345,854.48 and 266,144.76 is: 399,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,236.40 : 1,345,854.48 = 266,144.76 : x
  2. Step 2: Convert to fraction form
    897,236.40/1,345,854.48 = 266,144.76/x
  3. Step 3: Cross multiply
    897,236.40x = 1,345,854.48 × 266,144.76
  4. Step 4: Simplify right side
    897,236.40x = 358,192,117,574.53
  5. Step 5: Solve for x
    x = 358,192,117,574.53/897,236.40
  6. Step 6: Final answer
    x = 399,217.10

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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.