Home / 390,001.10-584,572.27-255,009.50

Finding the Fourth Proportional to 390,001.10, 584,572.27 and 255,009.50

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Solution

The fourth proportional to 390,001.10, 584,572.27 and 255,009.50 is: 382,233.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,001.10 : 584,572.27 = 255,009.50 : x
  2. Step 2: Convert to fraction form
    390,001.10/584,572.27 = 255,009.50/x
  3. Step 3: Cross multiply
    390,001.10x = 584,572.27 × 255,009.50
  4. Step 4: Simplify right side
    390,001.10x = 149,071,482,286.57
  5. Step 5: Solve for x
    x = 149,071,482,286.57/390,001.10
  6. Step 6: Final answer
    x = 382,233.49

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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.