Home / 887,148.42-1,222,990.12-632,056.74

Finding the Fourth Proportional to 887,148.42, 1,222,990.12 and 632,056.74

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Solution

The fourth proportional to 887,148.42, 1,222,990.12 and 632,056.74 is: 871,330.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,148.42 : 1,222,990.12 = 632,056.74 : x
  2. Step 2: Convert to fraction form
    887,148.42/1,222,990.12 = 632,056.74/x
  3. Step 3: Cross multiply
    887,148.42x = 1,222,990.12 × 632,056.74
  4. Step 4: Simplify right side
    887,148.42x = 772,999,148,299.41
  5. Step 5: Solve for x
    x = 772,999,148,299.41/887,148.42
  6. Step 6: Final answer
    x = 871,330.13

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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.