Home / 980,602.20-1,470,060.76-340,822.80

Finding the Fourth Proportional to 980,602.20, 1,470,060.76 and 340,822.80

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Solution

The fourth proportional to 980,602.20, 1,470,060.76 and 340,822.80 is: 510,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,602.20 : 1,470,060.76 = 340,822.80 : x
  2. Step 2: Convert to fraction form
    980,602.20/1,470,060.76 = 340,822.80/x
  3. Step 3: Cross multiply
    980,602.20x = 1,470,060.76 × 340,822.80
  4. Step 4: Simplify right side
    980,602.20x = 501,030,224,393.33
  5. Step 5: Solve for x
    x = 501,030,224,393.33/980,602.20
  6. Step 6: Final answer
    x = 510,941.36

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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.