Home / 915,724.19-1,373,597.89-346,952.51

Finding the Fourth Proportional to 915,724.19, 1,373,597.89 and 346,952.51

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Solution

The fourth proportional to 915,724.19, 1,373,597.89 and 346,952.51 is: 520,433.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,724.19 : 1,373,597.89 = 346,952.51 : x
  2. Step 2: Convert to fraction form
    915,724.19/1,373,597.89 = 346,952.51/x
  3. Step 3: Cross multiply
    915,724.19x = 1,373,597.89 × 346,952.51
  4. Step 4: Simplify right side
    915,724.19x = 476,573,230,497.45
  5. Step 5: Solve for x
    x = 476,573,230,497.45/915,724.19
  6. Step 6: Final answer
    x = 520,433.15

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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.