Home / 571,089.08-788,091.18-316,438.04

Finding the Fourth Proportional to 571,089.08, 788,091.18 and 316,438.04

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Solution

The fourth proportional to 571,089.08, 788,091.18 and 316,438.04 is: 436,677.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,089.08 : 788,091.18 = 316,438.04 : x
  2. Step 2: Convert to fraction form
    571,089.08/788,091.18 = 316,438.04/x
  3. Step 3: Cross multiply
    571,089.08x = 788,091.18 × 316,438.04
  4. Step 4: Simplify right side
    571,089.08x = 249,382,028,340.49
  5. Step 5: Solve for x
    x = 249,382,028,340.49/571,089.08
  6. Step 6: Final answer
    x = 436,677.98

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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.