Home / 774,004.68-1,068,136.92-429,862.80

Finding the Fourth Proportional to 774,004.68, 1,068,136.92 and 429,862.80

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Solution

The fourth proportional to 774,004.68, 1,068,136.92 and 429,862.80 is: 593,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,004.68 : 1,068,136.92 = 429,862.80 : x
  2. Step 2: Convert to fraction form
    774,004.68/1,068,136.92 = 429,862.80/x
  3. Step 3: Cross multiply
    774,004.68x = 1,068,136.92 × 429,862.80
  4. Step 4: Simplify right side
    774,004.68x = 459,152,327,214.58
  5. Step 5: Solve for x
    x = 459,152,327,214.58/774,004.68
  6. Step 6: Final answer
    x = 593,216.47

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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.