Home / 918,248.14-1,376,583.33-319,131.46

Finding the Fourth Proportional to 918,248.14, 1,376,583.33 and 319,131.46

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Solution

The fourth proportional to 918,248.14, 1,376,583.33 and 319,131.46 is: 478,423.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,248.14 : 1,376,583.33 = 319,131.46 : x
  2. Step 2: Convert to fraction form
    918,248.14/1,376,583.33 = 319,131.46/x
  3. Step 3: Cross multiply
    918,248.14x = 1,376,583.33 × 319,131.46
  4. Step 4: Simplify right side
    918,248.14x = 439,311,047,914.56
  5. Step 5: Solve for x
    x = 439,311,047,914.56/918,248.14
  6. Step 6: Final answer
    x = 478,423.02

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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.