Home / 554,032.71-764,385.66-338,948.55

Finding the Fourth Proportional to 554,032.71, 764,385.66 and 338,948.55

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Solution

The fourth proportional to 554,032.71, 764,385.66 and 338,948.55 is: 467,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,032.71 : 764,385.66 = 338,948.55 : x
  2. Step 2: Convert to fraction form
    554,032.71/764,385.66 = 338,948.55/x
  3. Step 3: Cross multiply
    554,032.71x = 764,385.66 × 338,948.55
  4. Step 4: Simplify right side
    554,032.71x = 259,087,411,097.79
  5. Step 5: Solve for x
    x = 259,087,411,097.79/554,032.71
  6. Step 6: Final answer
    x = 467,639.20

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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.