Home / 840,084.40-1,259,329.83-334,955.71

Finding the Fourth Proportional to 840,084.40, 1,259,329.83 and 334,955.71

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Solution

The fourth proportional to 840,084.40, 1,259,329.83 and 334,955.71 is: 502,115.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,084.40 : 1,259,329.83 = 334,955.71 : x
  2. Step 2: Convert to fraction form
    840,084.40/1,259,329.83 = 334,955.71/x
  3. Step 3: Cross multiply
    840,084.40x = 1,259,329.83 × 334,955.71
  4. Step 4: Simplify right side
    840,084.40x = 421,819,717,331.83
  5. Step 5: Solve for x
    x = 421,819,717,331.83/840,084.40
  6. Step 6: Final answer
    x = 502,115.88

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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.