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Finding the Fourth Proportional to 575,733.68, 861,803.42 and 424,101.72

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Solution

The fourth proportional to 575,733.68, 861,803.42 and 424,101.72 is: 634,828.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,733.68 : 861,803.42 = 424,101.72 : x
  2. Step 2: Convert to fraction form
    575,733.68/861,803.42 = 424,101.72/x
  3. Step 3: Cross multiply
    575,733.68x = 861,803.42 × 424,101.72
  4. Step 4: Simplify right side
    575,733.68x = 365,492,312,723.88
  5. Step 5: Solve for x
    x = 365,492,312,723.88/575,733.68
  6. Step 6: Final answer
    x = 634,828.79

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1.5x scale

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.