Home / 425,078.85-586,597.40-231,482.70

Finding the Fourth Proportional to 425,078.85, 586,597.40 and 231,482.70

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Solution

The fourth proportional to 425,078.85, 586,597.40 and 231,482.70 is: 319,439.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,078.85 : 586,597.40 = 231,482.70 : x
  2. Step 2: Convert to fraction form
    425,078.85/586,597.40 = 231,482.70/x
  3. Step 3: Cross multiply
    425,078.85x = 586,597.40 × 231,482.70
  4. Step 4: Simplify right side
    425,078.85x = 135,787,148,498.49
  5. Step 5: Solve for x
    x = 135,787,148,498.49/425,078.85
  6. Step 6: Final answer
    x = 319,439.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.