Home / 549,526.98-757,968.50-386,529.18

Finding the Fourth Proportional to 549,526.98, 757,968.50 and 386,529.18

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Solution

The fourth proportional to 549,526.98, 757,968.50 and 386,529.18 is: 533,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,526.98 : 757,968.50 = 386,529.18 : x
  2. Step 2: Convert to fraction form
    549,526.98/757,968.50 = 386,529.18/x
  3. Step 3: Cross multiply
    549,526.98x = 757,968.50 × 386,529.18
  4. Step 4: Simplify right side
    549,526.98x = 292,976,942,770.83
  5. Step 5: Solve for x
    x = 292,976,942,770.83/549,526.98
  6. Step 6: Final answer
    x = 533,143.87

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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.