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Finding the Fourth Proportional to 626,952.96, 865,248.48 and 355,068.36

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Solution

The fourth proportional to 626,952.96, 865,248.48 and 355,068.36 is: 490,024.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,952.96 : 865,248.48 = 355,068.36 : x
  2. Step 2: Convert to fraction form
    626,952.96/865,248.48 = 355,068.36/x
  3. Step 3: Cross multiply
    626,952.96x = 865,248.48 × 355,068.36
  4. Step 4: Simplify right side
    626,952.96x = 307,222,358,786.09
  5. Step 5: Solve for x
    x = 307,222,358,786.09/626,952.96
  6. Step 6: Final answer
    x = 490,024.58

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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.