Home / 549,529.20-822,544.20-392,065.20

Finding the Fourth Proportional to 549,529.20, 822,544.20 and 392,065.20

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Solution

The fourth proportional to 549,529.20, 822,544.20 and 392,065.20 is: 586,849.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,529.20 : 822,544.20 = 392,065.20 : x
  2. Step 2: Convert to fraction form
    549,529.20/822,544.20 = 392,065.20/x
  3. Step 3: Cross multiply
    549,529.20x = 822,544.20 × 392,065.20
  4. Step 4: Simplify right side
    549,529.20x = 322,490,956,281.84
  5. Step 5: Solve for x
    x = 322,490,956,281.84/549,529.20
  6. Step 6: Final answer
    x = 586,849.54

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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.