Home / 931,371.52-1,395,888.16-398,265.44

Finding the Fourth Proportional to 931,371.52, 1,395,888.16 and 398,265.44

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Solution

The fourth proportional to 931,371.52, 1,395,888.16 and 398,265.44 is: 596,898.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,371.52 : 1,395,888.16 = 398,265.44 : x
  2. Step 2: Convert to fraction form
    931,371.52/1,395,888.16 = 398,265.44/x
  3. Step 3: Cross multiply
    931,371.52x = 1,395,888.16 × 398,265.44
  4. Step 4: Simplify right side
    931,371.52x = 555,934,012,233.19
  5. Step 5: Solve for x
    x = 555,934,012,233.19/931,371.52
  6. Step 6: Final answer
    x = 596,898.23

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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.