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Finding the Fourth Proportional to 571,703.60, 788,912.52 and 317,045.36

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Solution

The fourth proportional to 571,703.60, 788,912.52 and 317,045.36 is: 437,501.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,703.60 : 788,912.52 = 317,045.36 : x
  2. Step 2: Convert to fraction form
    571,703.60/788,912.52 = 317,045.36/x
  3. Step 3: Cross multiply
    571,703.60x = 788,912.52 × 317,045.36
  4. Step 4: Simplify right side
    571,703.60x = 250,121,053,911.91
  5. Step 5: Solve for x
    x = 250,121,053,911.91/571,703.60
  6. Step 6: Final answer
    x = 437,501.27

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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.