Home / 838,464.86-1,257,984.30-358,494.90

Finding the Fourth Proportional to 838,464.86, 1,257,984.30 and 358,494.90

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Solution

The fourth proportional to 838,464.86, 1,257,984.30 and 358,494.90 is: 537,865.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,464.86 : 1,257,984.30 = 358,494.90 : x
  2. Step 2: Convert to fraction form
    838,464.86/1,257,984.30 = 358,494.90/x
  3. Step 3: Cross multiply
    838,464.86x = 1,257,984.30 × 358,494.90
  4. Step 4: Simplify right side
    838,464.86x = 450,980,955,830.07
  5. Step 5: Solve for x
    x = 450,980,955,830.07/838,464.86
  6. Step 6: Final answer
    x = 537,865.07

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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.