Home / 980,281.80-1,470,077.10-349,216.20

Finding the Fourth Proportional to 980,281.80, 1,470,077.10 and 349,216.20

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Solution

The fourth proportional to 980,281.80, 1,470,077.10 and 349,216.20 is: 523,701.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,281.80 : 1,470,077.10 = 349,216.20 : x
  2. Step 2: Convert to fraction form
    980,281.80/1,470,077.10 = 349,216.20/x
  3. Step 3: Cross multiply
    980,281.80x = 1,470,077.10 × 349,216.20
  4. Step 4: Simplify right side
    980,281.80x = 513,374,738,569.02
  5. Step 5: Solve for x
    x = 513,374,738,569.02/980,281.80
  6. Step 6: Final answer
    x = 523,701.18

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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.