Home / 571,218.91-788,282.08-316,586.50

Finding the Fourth Proportional to 571,218.91, 788,282.08 and 316,586.50

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Solution

The fourth proportional to 571,218.91, 788,282.08 and 316,586.50 is: 436,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,218.91 : 788,282.08 = 316,586.50 : x
  2. Step 2: Convert to fraction form
    571,218.91/788,282.08 = 316,586.50/x
  3. Step 3: Cross multiply
    571,218.91x = 788,282.08 × 316,586.50
  4. Step 4: Simplify right side
    571,218.91x = 249,559,461,957.75
  5. Step 5: Solve for x
    x = 249,559,461,957.75/571,218.91
  6. Step 6: Final answer
    x = 436,889.36

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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.