Home / 935,458.80-1,403,188.20-304,436.40

Finding the Fourth Proportional to 935,458.80, 1,403,188.20 and 304,436.40

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Solution

The fourth proportional to 935,458.80, 1,403,188.20 and 304,436.40 is: 456,654.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,458.80 : 1,403,188.20 = 304,436.40 : x
  2. Step 2: Convert to fraction form
    935,458.80/1,403,188.20 = 304,436.40/x
  3. Step 3: Cross multiply
    935,458.80x = 1,403,188.20 × 304,436.40
  4. Step 4: Simplify right side
    935,458.80x = 427,181,564,130.48
  5. Step 5: Solve for x
    x = 427,181,564,130.48/935,458.80
  6. Step 6: Final answer
    x = 456,654.60

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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.