Home / 545,154.95-752,313.74-303,432.29

Finding the Fourth Proportional to 545,154.95, 752,313.74 and 303,432.29

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Solution

The fourth proportional to 545,154.95, 752,313.74 and 303,432.29 is: 418,736.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,154.95 : 752,313.74 = 303,432.29 : x
  2. Step 2: Convert to fraction form
    545,154.95/752,313.74 = 303,432.29/x
  3. Step 3: Cross multiply
    545,154.95x = 752,313.74 × 303,432.29
  4. Step 4: Simplify right side
    545,154.95x = 228,276,280,926.67
  5. Step 5: Solve for x
    x = 228,276,280,926.67/545,154.95
  6. Step 6: Final answer
    x = 418,736.51

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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.