Home / 692,749.30-1,039,423.31-372,526.89

Finding the Fourth Proportional to 692,749.30, 1,039,423.31 and 372,526.89

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Solution

The fourth proportional to 692,749.30, 1,039,423.31 and 372,526.89 is: 558,951.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,749.30 : 1,039,423.31 = 372,526.89 : x
  2. Step 2: Convert to fraction form
    692,749.30/1,039,423.31 = 372,526.89/x
  3. Step 3: Cross multiply
    692,749.30x = 1,039,423.31 × 372,526.89
  4. Step 4: Simplify right side
    692,749.30x = 387,213,133,067.81
  5. Step 5: Solve for x
    x = 387,213,133,067.81/692,749.30
  6. Step 6: Final answer
    x = 558,951.32

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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.