Home / 674,938.70-1,013,064.15-409,218.20

Finding the Fourth Proportional to 674,938.70, 1,013,064.15 and 409,218.20

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Solution

The fourth proportional to 674,938.70, 1,013,064.15 and 409,218.20 is: 614,225.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,938.70 : 1,013,064.15 = 409,218.20 : x
  2. Step 2: Convert to fraction form
    674,938.70/1,013,064.15 = 409,218.20/x
  3. Step 3: Cross multiply
    674,938.70x = 1,013,064.15 × 409,218.20
  4. Step 4: Simplify right side
    674,938.70x = 414,564,287,947.53
  5. Step 5: Solve for x
    x = 414,564,287,947.53/674,938.70
  6. Step 6: Final answer
    x = 614,225.10

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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.