Home / 614,444.20-921,666.30-314,825.20

Finding the Fourth Proportional to 614,444.20, 921,666.30 and 314,825.20

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Solution

The fourth proportional to 614,444.20, 921,666.30 and 314,825.20 is: 472,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,444.20 : 921,666.30 = 314,825.20 : x
  2. Step 2: Convert to fraction form
    614,444.20/921,666.30 = 314,825.20/x
  3. Step 3: Cross multiply
    614,444.20x = 921,666.30 × 314,825.20
  4. Step 4: Simplify right side
    614,444.20x = 290,163,777,230.76
  5. Step 5: Solve for x
    x = 290,163,777,230.76/614,444.20
  6. Step 6: Final answer
    x = 472,237.80

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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.