Home / 712,275.63-982,933.89-385,587.03

Finding the Fourth Proportional to 712,275.63, 982,933.89 and 385,587.03

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Solution

The fourth proportional to 712,275.63, 982,933.89 and 385,587.03 is: 532,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,275.63 : 982,933.89 = 385,587.03 : x
  2. Step 2: Convert to fraction form
    712,275.63/982,933.89 = 385,587.03/x
  3. Step 3: Cross multiply
    712,275.63x = 982,933.89 × 385,587.03
  4. Step 4: Simplify right side
    712,275.63x = 379,006,561,571.50
  5. Step 5: Solve for x
    x = 379,006,561,571.50/712,275.63
  6. Step 6: Final answer
    x = 532,106.60

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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.