Home / 712,010.07-982,565.60-385,315.52

Finding the Fourth Proportional to 712,010.07, 982,565.60 and 385,315.52

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Solution

The fourth proportional to 712,010.07, 982,565.60 and 385,315.52 is: 531,730.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,010.07 : 982,565.60 = 385,315.52 : x
  2. Step 2: Convert to fraction form
    712,010.07/982,565.60 = 385,315.52/x
  3. Step 3: Cross multiply
    712,010.07x = 982,565.60 × 385,315.52
  4. Step 4: Simplify right side
    712,010.07x = 378,597,768,258.71
  5. Step 5: Solve for x
    x = 378,597,768,258.71/712,010.07
  6. Step 6: Final answer
    x = 531,730.92

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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.