Home / 687,253.52-1,030,867.56-282,359.84

Finding the Fourth Proportional to 687,253.52, 1,030,867.56 and 282,359.84

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Solution

The fourth proportional to 687,253.52, 1,030,867.56 and 282,359.84 is: 423,534.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,253.52 : 1,030,867.56 = 282,359.84 : x
  2. Step 2: Convert to fraction form
    687,253.52/1,030,867.56 = 282,359.84/x
  3. Step 3: Cross multiply
    687,253.52x = 1,030,867.56 × 282,359.84
  4. Step 4: Simplify right side
    687,253.52x = 291,075,599,302.79
  5. Step 5: Solve for x
    x = 291,075,599,302.79/687,253.52
  6. Step 6: Final answer
    x = 423,534.53

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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.