Home / 956,880.20-1,435,320.30-425,439.20

Finding the Fourth Proportional to 956,880.20, 1,435,320.30 and 425,439.20

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Solution

The fourth proportional to 956,880.20, 1,435,320.30 and 425,439.20 is: 638,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,880.20 : 1,435,320.30 = 425,439.20 : x
  2. Step 2: Convert to fraction form
    956,880.20/1,435,320.30 = 425,439.20/x
  3. Step 3: Cross multiply
    956,880.20x = 1,435,320.30 × 425,439.20
  4. Step 4: Simplify right side
    956,880.20x = 610,641,520,175.76
  5. Step 5: Solve for x
    x = 610,641,520,175.76/956,880.20
  6. Step 6: Final answer
    x = 638,158.80

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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.