Home / 571,564.08-788,746.68-316,913.04

Finding the Fourth Proportional to 571,564.08, 788,746.68 and 316,913.04

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Solution

The fourth proportional to 571,564.08, 788,746.68 and 316,913.04 is: 437,333.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,564.08 : 788,746.68 = 316,913.04 : x
  2. Step 2: Convert to fraction form
    571,564.08/788,746.68 = 316,913.04/x
  3. Step 3: Cross multiply
    571,564.08x = 788,746.68 × 316,913.04
  4. Step 4: Simplify right side
    571,564.08x = 249,964,108,148.71
  5. Step 5: Solve for x
    x = 249,964,108,148.71/571,564.08
  6. Step 6: Final answer
    x = 437,333.48

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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.