Home / 648,187.50-894,498.82-357,799.16

Finding the Fourth Proportional to 648,187.50, 894,498.82 and 357,799.16

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Solution

The fourth proportional to 648,187.50, 894,498.82 and 357,799.16 is: 493,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,187.50 : 894,498.82 = 357,799.16 : x
  2. Step 2: Convert to fraction form
    648,187.50/894,498.82 = 357,799.16/x
  3. Step 3: Cross multiply
    648,187.50x = 894,498.82 × 357,799.16
  4. Step 4: Simplify right side
    648,187.50x = 320,050,926,416.99
  5. Step 5: Solve for x
    x = 320,050,926,416.99/648,187.50
  6. Step 6: Final answer
    x = 493,762.88

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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.