Home / 879,531.80-1,319,513.70-248,437.40

Finding the Fourth Proportional to 879,531.80, 1,319,513.70 and 248,437.40

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Solution

The fourth proportional to 879,531.80, 1,319,513.70 and 248,437.40 is: 372,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,531.80 : 1,319,513.70 = 248,437.40 : x
  2. Step 2: Convert to fraction form
    879,531.80/1,319,513.70 = 248,437.40/x
  3. Step 3: Cross multiply
    879,531.80x = 1,319,513.70 × 248,437.40
  4. Step 4: Simplify right side
    879,531.80x = 327,816,552,892.38
  5. Step 5: Solve for x
    x = 327,816,552,892.38/879,531.80
  6. Step 6: Final answer
    x = 372,717.11

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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.