Home / 532,020.72-734,206.26-290,316.54

Finding the Fourth Proportional to 532,020.72, 734,206.26 and 290,316.54

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Solution

The fourth proportional to 532,020.72, 734,206.26 and 290,316.54 is: 400,646.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,020.72 : 734,206.26 = 290,316.54 : x
  2. Step 2: Convert to fraction form
    532,020.72/734,206.26 = 290,316.54/x
  3. Step 3: Cross multiply
    532,020.72x = 734,206.26 × 290,316.54
  4. Step 4: Simplify right side
    532,020.72x = 213,152,221,049.54
  5. Step 5: Solve for x
    x = 213,152,221,049.54/532,020.72
  6. Step 6: Final answer
    x = 400,646.47

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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.