Home / 879,206.40-1,318,809.60-564,019.20

Finding the Fourth Proportional to 879,206.40, 1,318,809.60 and 564,019.20

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Solution

The fourth proportional to 879,206.40, 1,318,809.60 and 564,019.20 is: 846,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,206.40 : 1,318,809.60 = 564,019.20 : x
  2. Step 2: Convert to fraction form
    879,206.40/1,318,809.60 = 564,019.20/x
  3. Step 3: Cross multiply
    879,206.40x = 1,318,809.60 × 564,019.20
  4. Step 4: Simplify right side
    879,206.40x = 743,833,935,544.32
  5. Step 5: Solve for x
    x = 743,833,935,544.32/879,206.40
  6. Step 6: Final answer
    x = 846,028.80

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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.