Home / 632,919.39-873,428.12-346,436.91

Finding the Fourth Proportional to 632,919.39, 873,428.12 and 346,436.91

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Solution

The fourth proportional to 632,919.39, 873,428.12 and 346,436.91 is: 478,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,919.39 : 873,428.12 = 346,436.91 : x
  2. Step 2: Convert to fraction form
    632,919.39/873,428.12 = 346,436.91/x
  3. Step 3: Cross multiply
    632,919.39x = 873,428.12 × 346,436.91
  4. Step 4: Simplify right side
    632,919.39x = 302,587,737,267.73
  5. Step 5: Solve for x
    x = 302,587,737,267.73/632,919.39
  6. Step 6: Final answer
    x = 478,082.58

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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.