Home / 974,769.60-1,462,154.40-309,988.80

Finding the Fourth Proportional to 974,769.60, 1,462,154.40 and 309,988.80

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Solution

The fourth proportional to 974,769.60, 1,462,154.40 and 309,988.80 is: 464,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,769.60 : 1,462,154.40 = 309,988.80 : x
  2. Step 2: Convert to fraction form
    974,769.60/1,462,154.40 = 309,988.80/x
  3. Step 3: Cross multiply
    974,769.60x = 1,462,154.40 × 309,988.80
  4. Step 4: Simplify right side
    974,769.60x = 453,251,487,870.72
  5. Step 5: Solve for x
    x = 453,251,487,870.72/974,769.60
  6. Step 6: Final answer
    x = 464,983.20

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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.