Home / 870,017.76-1,304,776.08-238,952.16

Finding the Fourth Proportional to 870,017.76, 1,304,776.08 and 238,952.16

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Solution

The fourth proportional to 870,017.76, 1,304,776.08 and 238,952.16 is: 358,359.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,017.76 : 1,304,776.08 = 238,952.16 : x
  2. Step 2: Convert to fraction form
    870,017.76/1,304,776.08 = 238,952.16/x
  3. Step 3: Cross multiply
    870,017.76x = 1,304,776.08 × 238,952.16
  4. Step 4: Simplify right side
    870,017.76x = 311,779,062,632.33
  5. Step 5: Solve for x
    x = 311,779,062,632.33/870,017.76
  6. Step 6: Final answer
    x = 358,359.42

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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.