Home / 913,124.70-1,369,881.45-282,102.30

Finding the Fourth Proportional to 913,124.70, 1,369,881.45 and 282,102.30

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Solution

The fourth proportional to 913,124.70, 1,369,881.45 and 282,102.30 is: 423,213.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,124.70 : 1,369,881.45 = 282,102.30 : x
  2. Step 2: Convert to fraction form
    913,124.70/1,369,881.45 = 282,102.30/x
  3. Step 3: Cross multiply
    913,124.70x = 1,369,881.45 × 282,102.30
  4. Step 4: Simplify right side
    913,124.70x = 386,446,707,772.34
  5. Step 5: Solve for x
    x = 386,446,707,772.34/913,124.70
  6. Step 6: Final answer
    x = 423,213.51

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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.