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Finding the Fourth Proportional to 740.99, 1,111.52 and 594.07

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Solution

The fourth proportional to 740.99, 1,111.52 and 594.07 is: 891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    740.99 : 1,111.52 = 594.07 : x
  2. Step 2: Convert to fraction form
    740.99/1,111.52 = 594.07/x
  3. Step 3: Cross multiply
    740.99x = 1,111.52 × 594.07
  4. Step 4: Simplify right side
    740.99x = 660,319.39
  5. Step 5: Solve for x
    x = 660,319.39/740.99
  6. Step 6: Final answer
    x = 891.13

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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.