Home / 989,074.80-1,483,612.20-652,276.80

Finding the Fourth Proportional to 989,074.80, 1,483,612.20 and 652,276.80

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Solution

The fourth proportional to 989,074.80, 1,483,612.20 and 652,276.80 is: 978,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,074.80 : 1,483,612.20 = 652,276.80 : x
  2. Step 2: Convert to fraction form
    989,074.80/1,483,612.20 = 652,276.80/x
  3. Step 3: Cross multiply
    989,074.80x = 1,483,612.20 × 652,276.80
  4. Step 4: Simplify right side
    989,074.80x = 967,725,818,256.96
  5. Step 5: Solve for x
    x = 967,725,818,256.96/989,074.80
  6. Step 6: Final answer
    x = 978,415.20

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Similar ratio
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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.