Home / 740,882.07-1,111,328.55-208,456.92

Finding the Fourth Proportional to 740,882.07, 1,111,328.55 and 208,456.92

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Solution

The fourth proportional to 740,882.07, 1,111,328.55 and 208,456.92 is: 312,686.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,882.07 : 1,111,328.55 = 208,456.92 : x
  2. Step 2: Convert to fraction form
    740,882.07/1,111,328.55 = 208,456.92/x
  3. Step 3: Cross multiply
    740,882.07x = 1,111,328.55 × 208,456.92
  4. Step 4: Simplify right side
    740,882.07x = 231,664,126,641.07
  5. Step 5: Solve for x
    x = 231,664,126,641.07/740,882.07
  6. Step 6: Final answer
    x = 312,686.91

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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.