Home / 935,009.80-1,402,514.70-303,987.40

Finding the Fourth Proportional to 935,009.80, 1,402,514.70 and 303,987.40

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Solution

The fourth proportional to 935,009.80, 1,402,514.70 and 303,987.40 is: 455,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,009.80 : 1,402,514.70 = 303,987.40 : x
  2. Step 2: Convert to fraction form
    935,009.80/1,402,514.70 = 303,987.40/x
  3. Step 3: Cross multiply
    935,009.80x = 1,402,514.70 × 303,987.40
  4. Step 4: Simplify right side
    935,009.80x = 426,346,797,114.78
  5. Step 5: Solve for x
    x = 426,346,797,114.78/935,009.80
  6. Step 6: Final answer
    x = 455,981.10

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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.