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Finding the Fourth Proportional to 571,385.00, 788,506.00 and 313,276.30

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Solution

The fourth proportional to 571,385.00, 788,506.00 and 313,276.30 is: 432,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,385.00 : 788,506.00 = 313,276.30 : x
  2. Step 2: Convert to fraction form
    571,385.00/788,506.00 = 313,276.30/x
  3. Step 3: Cross multiply
    571,385.00x = 788,506.00 × 313,276.30
  4. Step 4: Simplify right side
    571,385.00x = 247,020,239,453.34
  5. Step 5: Solve for x
    x = 247,020,239,453.34/571,385.00
  6. Step 6: Final answer
    x = 432,318.38

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1.5x scale

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.