Home / 571,280.87-788,367.60-316,632.05

Finding the Fourth Proportional to 571,280.87, 788,367.60 and 316,632.05

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Solution

The fourth proportional to 571,280.87, 788,367.60 and 316,632.05 is: 436,952.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,280.87 : 788,367.60 = 316,632.05 : x
  2. Step 2: Convert to fraction form
    571,280.87/788,367.60 = 316,632.05/x
  3. Step 3: Cross multiply
    571,280.87x = 788,367.60 × 316,632.05
  4. Step 4: Simplify right side
    571,280.87x = 249,622,452,790.69
  5. Step 5: Solve for x
    x = 249,622,452,790.69/571,280.87
  6. Step 6: Final answer
    x = 436,952.24

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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.