Home / 988,937.76-1,482,406.16-389,665.92

Finding the Fourth Proportional to 988,937.76, 1,482,406.16 and 389,665.92

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Solution

The fourth proportional to 988,937.76, 1,482,406.16 and 389,665.92 is: 584,104.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,937.76 : 1,482,406.16 = 389,665.92 : x
  2. Step 2: Convert to fraction form
    988,937.76/1,482,406.16 = 389,665.92/x
  3. Step 3: Cross multiply
    988,937.76x = 1,482,406.16 × 389,665.92
  4. Step 4: Simplify right side
    988,937.76x = 577,643,160,150.07
  5. Step 5: Solve for x
    x = 577,643,160,150.07/988,937.76
  6. Step 6: Final answer
    x = 584,104.67

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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.