Home / 740,081.31-1,021,255.20-417,823.26

Finding the Fourth Proportional to 740,081.31, 1,021,255.20 and 417,823.26

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Solution

The fourth proportional to 740,081.31, 1,021,255.20 and 417,823.26 is: 576,563.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,081.31 : 1,021,255.20 = 417,823.26 : x
  2. Step 2: Convert to fraction form
    740,081.31/1,021,255.20 = 417,823.26/x
  3. Step 3: Cross multiply
    740,081.31x = 1,021,255.20 × 417,823.26
  4. Step 4: Simplify right side
    740,081.31x = 426,704,176,955.95
  5. Step 5: Solve for x
    x = 426,704,176,955.95/740,081.31
  6. Step 6: Final answer
    x = 576,563.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.