Home / 875,491.20-1,312,216.20-402,224.40

Finding the Fourth Proportional to 875,491.20, 1,312,216.20 and 402,224.40

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Solution

The fourth proportional to 875,491.20, 1,312,216.20 and 402,224.40 is: 602,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,491.20 : 1,312,216.20 = 402,224.40 : x
  2. Step 2: Convert to fraction form
    875,491.20/1,312,216.20 = 402,224.40/x
  3. Step 3: Cross multiply
    875,491.20x = 1,312,216.20 × 402,224.40
  4. Step 4: Simplify right side
    875,491.20x = 527,805,373,715.28
  5. Step 5: Solve for x
    x = 527,805,373,715.28/875,491.20
  6. Step 6: Final answer
    x = 602,867.71

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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.