Home / 934,678.40-1,402,017.60-303,612.80

Finding the Fourth Proportional to 934,678.40, 1,402,017.60 and 303,612.80

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Solution

The fourth proportional to 934,678.40, 1,402,017.60 and 303,612.80 is: 455,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,678.40 : 1,402,017.60 = 303,612.80 : x
  2. Step 2: Convert to fraction form
    934,678.40/1,402,017.60 = 303,612.80/x
  3. Step 3: Cross multiply
    934,678.40x = 1,402,017.60 × 303,612.80
  4. Step 4: Simplify right side
    934,678.40x = 425,670,489,185.28
  5. Step 5: Solve for x
    x = 425,670,489,185.28/934,678.40
  6. Step 6: Final answer
    x = 455,419.20

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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.