Home / 608,934.40-913,401.60-293,423.20

Finding the Fourth Proportional to 608,934.40, 913,401.60 and 293,423.20

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Solution

The fourth proportional to 608,934.40, 913,401.60 and 293,423.20 is: 440,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,934.40 : 913,401.60 = 293,423.20 : x
  2. Step 2: Convert to fraction form
    608,934.40/913,401.60 = 293,423.20/x
  3. Step 3: Cross multiply
    608,934.40x = 913,401.60 × 293,423.20
  4. Step 4: Simplify right side
    608,934.40x = 268,013,220,357.12
  5. Step 5: Solve for x
    x = 268,013,220,357.12/608,934.40
  6. Step 6: Final answer
    x = 440,134.80

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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.