Home / 979,237.46-1,351,444.80-549,519.30

Finding the Fourth Proportional to 979,237.46, 1,351,444.80 and 549,519.30

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Solution

The fourth proportional to 979,237.46, 1,351,444.80 and 549,519.30 is: 758,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,237.46 : 1,351,444.80 = 549,519.30 : x
  2. Step 2: Convert to fraction form
    979,237.46/1,351,444.80 = 549,519.30/x
  3. Step 3: Cross multiply
    979,237.46x = 1,351,444.80 × 549,519.30
  4. Step 4: Simplify right side
    979,237.46x = 742,645,000,484.64
  5. Step 5: Solve for x
    x = 742,645,000,484.64/979,237.46
  6. Step 6: Final answer
    x = 758,391.13

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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.