Home / 571,693.23-788,931.29-313,564.89

Finding the Fourth Proportional to 571,693.23, 788,931.29 and 313,564.89

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Solution

The fourth proportional to 571,693.23, 788,931.29 and 313,564.89 is: 432,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,693.23 : 788,931.29 = 313,564.89 : x
  2. Step 2: Convert to fraction form
    571,693.23/788,931.29 = 313,564.89/x
  3. Step 3: Cross multiply
    571,693.23x = 788,931.29 × 313,564.89
  4. Step 4: Simplify right side
    571,693.23x = 247,381,151,598.58
  5. Step 5: Solve for x
    x = 247,381,151,598.58/571,693.23
  6. Step 6: Final answer
    x = 432,716.60

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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.