Home / 676,695.79-1,014,972.15-356,719.47

Finding the Fourth Proportional to 676,695.79, 1,014,972.15 and 356,719.47

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Solution

The fourth proportional to 676,695.79, 1,014,972.15 and 356,719.47 is: 535,041.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,695.79 : 1,014,972.15 = 356,719.47 : x
  2. Step 2: Convert to fraction form
    676,695.79/1,014,972.15 = 356,719.47/x
  3. Step 3: Cross multiply
    676,695.79x = 1,014,972.15 × 356,719.47
  4. Step 4: Simplify right side
    676,695.79x = 362,060,327,412.76
  5. Step 5: Solve for x
    x = 362,060,327,412.76/676,695.79
  6. Step 6: Final answer
    x = 535,041.50

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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.