Home / 961,529.32-1,325,437.86-719,445.16

Finding the Fourth Proportional to 961,529.32, 1,325,437.86 and 719,445.16

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Solution

The fourth proportional to 961,529.32, 1,325,437.86 and 719,445.16 is: 991,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,529.32 : 1,325,437.86 = 719,445.16 : x
  2. Step 2: Convert to fraction form
    961,529.32/1,325,437.86 = 719,445.16/x
  3. Step 3: Cross multiply
    961,529.32x = 1,325,437.86 × 719,445.16
  4. Step 4: Simplify right side
    961,529.32x = 953,579,853,257.76
  5. Step 5: Solve for x
    x = 953,579,853,257.76/961,529.32
  6. Step 6: Final answer
    x = 991,732.48

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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.