Home / 674,928.20-1,013,048.40-409,207.70

Finding the Fourth Proportional to 674,928.20, 1,013,048.40 and 409,207.70

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Solution

The fourth proportional to 674,928.20, 1,013,048.40 and 409,207.70 is: 614,209.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,928.20 : 1,013,048.40 = 409,207.70 : x
  2. Step 2: Convert to fraction form
    674,928.20/1,013,048.40 = 409,207.70/x
  3. Step 3: Cross multiply
    674,928.20x = 1,013,048.40 × 409,207.70
  4. Step 4: Simplify right side
    674,928.20x = 414,547,205,752.68
  5. Step 5: Solve for x
    x = 414,547,205,752.68/674,928.20
  6. Step 6: Final answer
    x = 614,209.34

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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.