Home / 470,948.88-649,681.05-279,826.95

Finding the Fourth Proportional to 470,948.88, 649,681.05 and 279,826.95

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Solution

The fourth proportional to 470,948.88, 649,681.05 and 279,826.95 is: 386,025.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,948.88 : 649,681.05 = 279,826.95 : x
  2. Step 2: Convert to fraction form
    470,948.88/649,681.05 = 279,826.95/x
  3. Step 3: Cross multiply
    470,948.88x = 649,681.05 × 279,826.95
  4. Step 4: Simplify right side
    470,948.88x = 181,798,266,694.30
  5. Step 5: Solve for x
    x = 181,798,266,694.30/470,948.88
  6. Step 6: Final answer
    x = 386,025.48

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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.