Home / 979,530.76-1,351,678.27-549,727.88

Finding the Fourth Proportional to 979,530.76, 1,351,678.27 and 549,727.88

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Solution

The fourth proportional to 979,530.76, 1,351,678.27 and 549,727.88 is: 758,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,530.76 : 1,351,678.27 = 549,727.88 : x
  2. Step 2: Convert to fraction form
    979,530.76/1,351,678.27 = 549,727.88/x
  3. Step 3: Cross multiply
    979,530.76x = 1,351,678.27 × 549,727.88
  4. Step 4: Simplify right side
    979,530.76x = 743,055,227,060.53
  5. Step 5: Solve for x
    x = 743,055,227,060.53/979,530.76
  6. Step 6: Final answer
    x = 758,582.85

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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.