Home / 870,737.32-1,305,603.16-337,635.56

Finding the Fourth Proportional to 870,737.32, 1,305,603.16 and 337,635.56

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Solution

The fourth proportional to 870,737.32, 1,305,603.16 and 337,635.56 is: 506,258.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,737.32 : 1,305,603.16 = 337,635.56 : x
  2. Step 2: Convert to fraction form
    870,737.32/1,305,603.16 = 337,635.56/x
  3. Step 3: Cross multiply
    870,737.32x = 1,305,603.16 × 337,635.56
  4. Step 4: Simplify right side
    870,737.32x = 440,818,054,064.37
  5. Step 5: Solve for x
    x = 440,818,054,064.37/870,737.32
  6. Step 6: Final answer
    x = 506,258.37

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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.