Home / 869,725.10-1,304,710.67-270,746.70

Finding the Fourth Proportional to 869,725.10, 1,304,710.67 and 270,746.70

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Solution

The fourth proportional to 869,725.10, 1,304,710.67 and 270,746.70 is: 406,158.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,725.10 : 1,304,710.67 = 270,746.70 : x
  2. Step 2: Convert to fraction form
    869,725.10/1,304,710.67 = 270,746.70/x
  3. Step 3: Cross multiply
    869,725.10x = 1,304,710.67 × 270,746.70
  4. Step 4: Simplify right side
    869,725.10x = 353,246,108,357.29
  5. Step 5: Solve for x
    x = 353,246,108,357.29/869,725.10
  6. Step 6: Final answer
    x = 406,158.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.