Home / 675,022.80-1,012,534.20-438,632.40

Finding the Fourth Proportional to 675,022.80, 1,012,534.20 and 438,632.40

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Solution

The fourth proportional to 675,022.80, 1,012,534.20 and 438,632.40 is: 657,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,022.80 : 1,012,534.20 = 438,632.40 : x
  2. Step 2: Convert to fraction form
    675,022.80/1,012,534.20 = 438,632.40/x
  3. Step 3: Cross multiply
    675,022.80x = 1,012,534.20 × 438,632.40
  4. Step 4: Simplify right side
    675,022.80x = 444,130,306,228.08
  5. Step 5: Solve for x
    x = 444,130,306,228.08/675,022.80
  6. Step 6: Final answer
    x = 657,948.60

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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.