Home / 832,123.35-1,148,326.34-450,146.79

Finding the Fourth Proportional to 832,123.35, 1,148,326.34 and 450,146.79

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Solution

The fourth proportional to 832,123.35, 1,148,326.34 and 450,146.79 is: 621,200.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,123.35 : 1,148,326.34 = 450,146.79 : x
  2. Step 2: Convert to fraction form
    832,123.35/1,148,326.34 = 450,146.79/x
  3. Step 3: Cross multiply
    832,123.35x = 1,148,326.34 × 450,146.79
  4. Step 4: Simplify right side
    832,123.35x = 516,915,413,572.72
  5. Step 5: Solve for x
    x = 516,915,413,572.72/832,123.35
  6. Step 6: Final answer
    x = 621,200.47

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.