Home / 733,840.79-1,012,688.11-428,094.95

Finding the Fourth Proportional to 733,840.79, 1,012,688.11 and 428,094.95

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Solution

The fourth proportional to 733,840.79, 1,012,688.11 and 428,094.95 is: 590,763.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,840.79 : 1,012,688.11 = 428,094.95 : x
  2. Step 2: Convert to fraction form
    733,840.79/1,012,688.11 = 428,094.95/x
  3. Step 3: Cross multiply
    733,840.79x = 1,012,688.11 × 428,094.95
  4. Step 4: Simplify right side
    733,840.79x = 433,526,667,277.53
  5. Step 5: Solve for x
    x = 433,526,667,277.53/733,840.79
  6. Step 6: Final answer
    x = 590,763.93

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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.