Home / 979,820.16-1,352,140.32-550,089.60

Finding the Fourth Proportional to 979,820.16, 1,352,140.32 and 550,089.60

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Solution

The fourth proportional to 979,820.16, 1,352,140.32 and 550,089.60 is: 759,117.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,820.16 : 1,352,140.32 = 550,089.60 : x
  2. Step 2: Convert to fraction form
    979,820.16/1,352,140.32 = 550,089.60/x
  3. Step 3: Cross multiply
    979,820.16x = 1,352,140.32 × 550,089.60
  4. Step 4: Simplify right side
    979,820.16x = 743,798,327,772.67
  5. Step 5: Solve for x
    x = 743,798,327,772.67/979,820.16
  6. Step 6: Final answer
    x = 759,117.19

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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.