Home / 870,025.08-1,304,821.62-238,907.64

Finding the Fourth Proportional to 870,025.08, 1,304,821.62 and 238,907.64

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Solution

The fourth proportional to 870,025.08, 1,304,821.62 and 238,907.64 is: 358,302.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,025.08 : 1,304,821.62 = 238,907.64 : x
  2. Step 2: Convert to fraction form
    870,025.08/1,304,821.62 = 238,907.64/x
  3. Step 3: Cross multiply
    870,025.08x = 1,304,821.62 × 238,907.64
  4. Step 4: Simplify right side
    870,025.08x = 311,731,853,855.18
  5. Step 5: Solve for x
    x = 311,731,853,855.18/870,025.08
  6. Step 6: Final answer
    x = 358,302.15

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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.