Home / 828,159.82-1,142,853.68-465,585.29

Finding the Fourth Proportional to 828,159.82, 1,142,853.68 and 465,585.29

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Solution

The fourth proportional to 828,159.82, 1,142,853.68 and 465,585.29 is: 642,503.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,159.82 : 1,142,853.68 = 465,585.29 : x
  2. Step 2: Convert to fraction form
    828,159.82/1,142,853.68 = 465,585.29/x
  3. Step 3: Cross multiply
    828,159.82x = 1,142,853.68 × 465,585.29
  4. Step 4: Simplify right side
    828,159.82x = 532,095,859,702.44
  5. Step 5: Solve for x
    x = 532,095,859,702.44/828,159.82
  6. Step 6: Final answer
    x = 642,503.84

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1.5x scale

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.