Home / 801,342.24-1,106,602.74-515,360.40

Finding the Fourth Proportional to 801,342.24, 1,106,602.74 and 515,360.40

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Solution

The fourth proportional to 801,342.24, 1,106,602.74 and 515,360.40 is: 711,679.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,342.24 : 1,106,602.74 = 515,360.40 : x
  2. Step 2: Convert to fraction form
    801,342.24/1,106,602.74 = 515,360.40/x
  3. Step 3: Cross multiply
    801,342.24x = 1,106,602.74 × 515,360.40
  4. Step 4: Simplify right side
    801,342.24x = 570,299,230,727.50
  5. Step 5: Solve for x
    x = 570,299,230,727.50/801,342.24
  6. Step 6: Final answer
    x = 711,679.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.