Home / 879,454.80-1,319,398.20-248,360.40

Finding the Fourth Proportional to 879,454.80, 1,319,398.20 and 248,360.40

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Solution

The fourth proportional to 879,454.80, 1,319,398.20 and 248,360.40 is: 372,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,454.80 : 1,319,398.20 = 248,360.40 : x
  2. Step 2: Convert to fraction form
    879,454.80/1,319,398.20 = 248,360.40/x
  3. Step 3: Cross multiply
    879,454.80x = 1,319,398.20 × 248,360.40
  4. Step 4: Simplify right side
    879,454.80x = 327,686,264,711.28
  5. Step 5: Solve for x
    x = 327,686,264,711.28/879,454.80
  6. Step 6: Final answer
    x = 372,601.60

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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.