Home / 740,326.32-1,108,803.40-579,398.40

Finding the Fourth Proportional to 740,326.32, 1,108,803.40 and 579,398.40

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Solution

The fourth proportional to 740,326.32, 1,108,803.40 and 579,398.40 is: 867,778.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,326.32 : 1,108,803.40 = 579,398.40 : x
  2. Step 2: Convert to fraction form
    740,326.32/1,108,803.40 = 579,398.40/x
  3. Step 3: Cross multiply
    740,326.32x = 1,108,803.40 × 579,398.40
  4. Step 4: Simplify right side
    740,326.32x = 642,438,915,874.56
  5. Step 5: Solve for x
    x = 642,438,915,874.56/740,326.32
  6. Step 6: Final answer
    x = 867,778.03

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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.