Home / 810,690.68-1,118,864.28-466,519.55

Finding the Fourth Proportional to 810,690.68, 1,118,864.28 and 466,519.55

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Solution

The fourth proportional to 810,690.68, 1,118,864.28 and 466,519.55 is: 643,860.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,690.68 : 1,118,864.28 = 466,519.55 : x
  2. Step 2: Convert to fraction form
    810,690.68/1,118,864.28 = 466,519.55/x
  3. Step 3: Cross multiply
    810,690.68x = 1,118,864.28 × 466,519.55
  4. Step 4: Simplify right side
    810,690.68x = 521,972,060,416.67
  5. Step 5: Solve for x
    x = 521,972,060,416.67/810,690.68
  6. Step 6: Final answer
    x = 643,860.94

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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.