Home / 980,029.90-1,352,347.14-550,211.50

Finding the Fourth Proportional to 980,029.90, 1,352,347.14 and 550,211.50

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Solution

The fourth proportional to 980,029.90, 1,352,347.14 and 550,211.50 is: 759,239.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,029.90 : 1,352,347.14 = 550,211.50 : x
  2. Step 2: Convert to fraction form
    980,029.90/1,352,347.14 = 550,211.50/x
  3. Step 3: Cross multiply
    980,029.90x = 1,352,347.14 × 550,211.50
  4. Step 4: Simplify right side
    980,029.90x = 744,076,948,420.11
  5. Step 5: Solve for x
    x = 744,076,948,420.11/980,029.90
  6. Step 6: Final answer
    x = 759,239.03

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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.