Home / 671,943.15-927,281.52-370,137.15

Finding the Fourth Proportional to 671,943.15, 927,281.52 and 370,137.15

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Solution

The fourth proportional to 671,943.15, 927,281.52 and 370,137.15 is: 510,789.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,943.15 : 927,281.52 = 370,137.15 : x
  2. Step 2: Convert to fraction form
    671,943.15/927,281.52 = 370,137.15/x
  3. Step 3: Cross multiply
    671,943.15x = 927,281.52 × 370,137.15
  4. Step 4: Simplify right side
    671,943.15x = 343,221,339,060.47
  5. Step 5: Solve for x
    x = 343,221,339,060.47/671,943.15
  6. Step 6: Final answer
    x = 510,789.25

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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.