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Finding the Fourth Proportional to 549,646.78, 758,340.39 and 307,896.70

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Solution

The fourth proportional to 549,646.78, 758,340.39 and 307,896.70 is: 424,801.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,646.78 : 758,340.39 = 307,896.70 : x
  2. Step 2: Convert to fraction form
    549,646.78/758,340.39 = 307,896.70/x
  3. Step 3: Cross multiply
    549,646.78x = 758,340.39 × 307,896.70
  4. Step 4: Simplify right side
    549,646.78x = 233,490,503,557.71
  5. Step 5: Solve for x
    x = 233,490,503,557.71/549,646.78
  6. Step 6: Final answer
    x = 424,801.00

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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.