Home / 805,015.95-1,110,459.42-502,685.07

Finding the Fourth Proportional to 805,015.95, 1,110,459.42 and 502,685.07

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Solution

The fourth proportional to 805,015.95, 1,110,459.42 and 502,685.07 is: 693,416.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,015.95 : 1,110,459.42 = 502,685.07 : x
  2. Step 2: Convert to fraction form
    805,015.95/1,110,459.42 = 502,685.07/x
  3. Step 3: Cross multiply
    805,015.95x = 1,110,459.42 × 502,685.07
  4. Step 4: Simplify right side
    805,015.95x = 558,211,371,274.86
  5. Step 5: Solve for x
    x = 558,211,371,274.86/805,015.95
  6. Step 6: Final answer
    x = 693,416.54

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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.