Home / 985,313.72-1,359,732.32-532,604.72

Finding the Fourth Proportional to 985,313.72, 1,359,732.32 and 532,604.72

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Solution

The fourth proportional to 985,313.72, 1,359,732.32 and 532,604.72 is: 734,994.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,313.72 : 1,359,732.32 = 532,604.72 : x
  2. Step 2: Convert to fraction form
    985,313.72/1,359,732.32 = 532,604.72/x
  3. Step 3: Cross multiply
    985,313.72x = 1,359,732.32 × 532,604.72
  4. Step 4: Simplify right side
    985,313.72x = 724,199,852,304.86
  5. Step 5: Solve for x
    x = 724,199,852,304.86/985,313.72
  6. Step 6: Final answer
    x = 734,994.18

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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.