Home / 840,940.04-1,160,488.18-458,963.72

Finding the Fourth Proportional to 840,940.04, 1,160,488.18 and 458,963.72

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Solution

The fourth proportional to 840,940.04, 1,160,488.18 and 458,963.72 is: 633,364.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,940.04 : 1,160,488.18 = 458,963.72 : x
  2. Step 2: Convert to fraction form
    840,940.04/1,160,488.18 = 458,963.72/x
  3. Step 3: Cross multiply
    840,940.04x = 1,160,488.18 × 458,963.72
  4. Step 4: Simplify right side
    840,940.04x = 532,621,972,108.83
  5. Step 5: Solve for x
    x = 532,621,972,108.83/840,940.04
  6. Step 6: Final answer
    x = 633,364.98

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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.