Home / 897,257.80-1,345,886.70-799,280.20

Finding the Fourth Proportional to 897,257.80, 1,345,886.70 and 799,280.20

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Solution

The fourth proportional to 897,257.80, 1,345,886.70 and 799,280.20 is: 1,198,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,257.80 : 1,345,886.70 = 799,280.20 : x
  2. Step 2: Convert to fraction form
    897,257.80/1,345,886.70 = 799,280.20/x
  3. Step 3: Cross multiply
    897,257.80x = 1,345,886.70 × 799,280.20
  4. Step 4: Simplify right side
    897,257.80x = 1,075,740,590,753.34
  5. Step 5: Solve for x
    x = 1,075,740,590,753.34/897,257.80
  6. Step 6: Final answer
    x = 1,198,920.30

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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.