Home / 815,148.95-1,124,853.50-452,572.71

Finding the Fourth Proportional to 815,148.95, 1,124,853.50 and 452,572.71

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Solution

The fourth proportional to 815,148.95, 1,124,853.50 and 452,572.71 is: 624,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,148.95 : 1,124,853.50 = 452,572.71 : x
  2. Step 2: Convert to fraction form
    815,148.95/1,124,853.50 = 452,572.71/x
  3. Step 3: Cross multiply
    815,148.95x = 1,124,853.50 × 452,572.71
  4. Step 4: Simplify right side
    815,148.95x = 509,077,997,979.42
  5. Step 5: Solve for x
    x = 509,077,997,979.42/815,148.95
  6. Step 6: Final answer
    x = 624,521.45

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Double scale
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1.5x scale

Why These Related Problems?

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