Home / 549,142.64-757,426.10-503,966.54

Finding the Fourth Proportional to 549,142.64, 757,426.10 and 503,966.54

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Solution

The fourth proportional to 549,142.64, 757,426.10 and 503,966.54 is: 695,115.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,142.64 : 757,426.10 = 503,966.54 : x
  2. Step 2: Convert to fraction form
    549,142.64/757,426.10 = 503,966.54/x
  3. Step 3: Cross multiply
    549,142.64x = 757,426.10 × 503,966.54
  4. Step 4: Simplify right side
    549,142.64x = 381,717,410,922.69
  5. Step 5: Solve for x
    x = 381,717,410,922.69/549,142.64
  6. Step 6: Final answer
    x = 695,115.23

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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.