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Finding the Fourth Proportional to 549,587.34, 758,417.31 and 307,880.10

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Solution

The fourth proportional to 549,587.34, 758,417.31 and 307,880.10 is: 424,867.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,587.34 : 758,417.31 = 307,880.10 : x
  2. Step 2: Convert to fraction form
    549,587.34/758,417.31 = 307,880.10/x
  3. Step 3: Cross multiply
    549,587.34x = 758,417.31 × 307,880.10
  4. Step 4: Simplify right side
    549,587.34x = 233,501,597,244.53
  5. Step 5: Solve for x
    x = 233,501,597,244.53/549,587.34
  6. Step 6: Final answer
    x = 424,867.13

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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.