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Finding the Fourth Proportional to 650,763.90, 975,161.70 and 550,380.60

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Solution

The fourth proportional to 650,763.90, 975,161.70 and 550,380.60 is: 824,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,763.90 : 975,161.70 = 550,380.60 : x
  2. Step 2: Convert to fraction form
    650,763.90/975,161.70 = 550,380.60/x
  3. Step 3: Cross multiply
    650,763.90x = 975,161.70 × 550,380.60
  4. Step 4: Simplify right side
    650,763.90x = 536,710,081,543.02
  5. Step 5: Solve for x
    x = 536,710,081,543.02/650,763.90
  6. Step 6: Final answer
    x = 824,738.56

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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.