Home / 984,264.32-1,358,234.52-554,569.86

Finding the Fourth Proportional to 984,264.32, 1,358,234.52 and 554,569.86

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Solution

The fourth proportional to 984,264.32, 1,358,234.52 and 554,569.86 is: 765,278.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,264.32 : 1,358,234.52 = 554,569.86 : x
  2. Step 2: Convert to fraction form
    984,264.32/1,358,234.52 = 554,569.86/x
  3. Step 3: Cross multiply
    984,264.32x = 1,358,234.52 × 554,569.86
  4. Step 4: Simplify right side
    984,264.32x = 753,235,927,603.57
  5. Step 5: Solve for x
    x = 753,235,927,603.57/984,264.32
  6. Step 6: Final answer
    x = 765,278.10

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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.