Home / 549,266.40-823,438.80-286,610.40

Finding the Fourth Proportional to 549,266.40, 823,438.80 and 286,610.40

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Solution

The fourth proportional to 549,266.40, 823,438.80 and 286,610.40 is: 429,675.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,266.40 : 823,438.80 = 286,610.40 : x
  2. Step 2: Convert to fraction form
    549,266.40/823,438.80 = 286,610.40/x
  3. Step 3: Cross multiply
    549,266.40x = 823,438.80 × 286,610.40
  4. Step 4: Simplify right side
    549,266.40x = 236,006,123,843.52
  5. Step 5: Solve for x
    x = 236,006,123,843.52/549,266.40
  6. Step 6: Final answer
    x = 429,675.15

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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.