Home / 584,904.40-876,919.20-318,965.20

Finding the Fourth Proportional to 584,904.40, 876,919.20 and 318,965.20

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Solution

The fourth proportional to 584,904.40, 876,919.20 and 318,965.20 is: 478,209.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,904.40 : 876,919.20 = 318,965.20 : x
  2. Step 2: Convert to fraction form
    584,904.40/876,919.20 = 318,965.20/x
  3. Step 3: Cross multiply
    584,904.40x = 876,919.20 × 318,965.20
  4. Step 4: Simplify right side
    584,904.40x = 279,706,708,011.84
  5. Step 5: Solve for x
    x = 279,706,708,011.84/584,904.40
  6. Step 6: Final answer
    x = 478,209.27

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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.