Home / 658,444.99-986,905.07-302,712.43

Finding the Fourth Proportional to 658,444.99, 986,905.07 and 302,712.43

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Solution

The fourth proportional to 658,444.99, 986,905.07 and 302,712.43 is: 453,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,444.99 : 986,905.07 = 302,712.43 : x
  2. Step 2: Convert to fraction form
    658,444.99/986,905.07 = 302,712.43/x
  3. Step 3: Cross multiply
    658,444.99x = 986,905.07 × 302,712.43
  4. Step 4: Simplify right side
    658,444.99x = 298,748,425,470.93
  5. Step 5: Solve for x
    x = 298,748,425,470.93/658,444.99
  6. Step 6: Final answer
    x = 453,718.13

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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.