Home / 765,888.23-1,148,300.35-339,191.54

Finding the Fourth Proportional to 765,888.23, 1,148,300.35 and 339,191.54

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Solution

The fourth proportional to 765,888.23, 1,148,300.35 and 339,191.54 is: 508,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,888.23 : 1,148,300.35 = 339,191.54 : x
  2. Step 2: Convert to fraction form
    765,888.23/1,148,300.35 = 339,191.54/x
  3. Step 3: Cross multiply
    765,888.23x = 1,148,300.35 × 339,191.54
  4. Step 4: Simplify right side
    765,888.23x = 389,493,761,815.69
  5. Step 5: Solve for x
    x = 389,493,761,815.69/765,888.23
  6. Step 6: Final answer
    x = 508,551.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.