Home / 934,734.80-1,402,102.20-303,712.40

Finding the Fourth Proportional to 934,734.80, 1,402,102.20 and 303,712.40

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Solution

The fourth proportional to 934,734.80, 1,402,102.20 and 303,712.40 is: 455,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,734.80 : 1,402,102.20 = 303,712.40 : x
  2. Step 2: Convert to fraction form
    934,734.80/1,402,102.20 = 303,712.40/x
  3. Step 3: Cross multiply
    934,734.80x = 1,402,102.20 × 303,712.40
  4. Step 4: Simplify right side
    934,734.80x = 425,835,824,207.28
  5. Step 5: Solve for x
    x = 425,835,824,207.28/934,734.80
  6. Step 6: Final answer
    x = 455,568.60

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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.