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Finding the Fourth Proportional to 549,265, 757,999.76 and 307,598.64

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Solution

The fourth proportional to 549,265, 757,999.76 and 307,598.64 is: 424,494.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,265 : 757,999.76 = 307,598.64 : x
  2. Step 2: Convert to fraction form
    549,265/757,999.76 = 307,598.64/x
  3. Step 3: Cross multiply
    549,265x = 757,999.76 × 307,598.64
  4. Step 4: Simplify right side
    549,265x = 233,159,695,296.33
  5. Step 5: Solve for x
    x = 233,159,695,296.33/549,265
  6. Step 6: Final answer
    x = 424,494.00

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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.