Home / 879,344.80-1,319,017.20-564,416.80

Finding the Fourth Proportional to 879,344.80, 1,319,017.20 and 564,416.80

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Solution

The fourth proportional to 879,344.80, 1,319,017.20 and 564,416.80 is: 846,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,344.80 : 1,319,017.20 = 564,416.80 : x
  2. Step 2: Convert to fraction form
    879,344.80/1,319,017.20 = 564,416.80/x
  3. Step 3: Cross multiply
    879,344.80x = 1,319,017.20 × 564,416.80
  4. Step 4: Simplify right side
    879,344.80x = 744,475,467,168.96
  5. Step 5: Solve for x
    x = 744,475,467,168.96/879,344.80
  6. Step 6: Final answer
    x = 846,625.20

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Double scale
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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.