Home / 875,885.62-1,208,763.64-493,904.20

Finding the Fourth Proportional to 875,885.62, 1,208,763.64 and 493,904.20

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Solution

The fourth proportional to 875,885.62, 1,208,763.64 and 493,904.20 is: 681,611.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,885.62 : 1,208,763.64 = 493,904.20 : x
  2. Step 2: Convert to fraction form
    875,885.62/1,208,763.64 = 493,904.20/x
  3. Step 3: Cross multiply
    875,885.62x = 1,208,763.64 × 493,904.20
  4. Step 4: Simplify right side
    875,885.62x = 597,013,438,603.29
  5. Step 5: Solve for x
    x = 597,013,438,603.29/875,885.62
  6. Step 6: Final answer
    x = 681,611.19

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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.