Home / 850,331.40-1,173,412.96-528,034.56

Finding the Fourth Proportional to 850,331.40, 1,173,412.96 and 528,034.56

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Solution

The fourth proportional to 850,331.40, 1,173,412.96 and 528,034.56 is: 728,660.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,331.40 : 1,173,412.96 = 528,034.56 : x
  2. Step 2: Convert to fraction form
    850,331.40/1,173,412.96 = 528,034.56/x
  3. Step 3: Cross multiply
    850,331.40x = 1,173,412.96 × 528,034.56
  4. Step 4: Simplify right side
    850,331.40x = 619,602,596,031.90
  5. Step 5: Solve for x
    x = 619,602,596,031.90/850,331.40
  6. Step 6: Final answer
    x = 728,660.14

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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.