Home / 774,021.57-1,068,185.22-429,859.01

Finding the Fourth Proportional to 774,021.57, 1,068,185.22 and 429,859.01

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Solution

The fourth proportional to 774,021.57, 1,068,185.22 and 429,859.01 is: 593,225.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,021.57 : 1,068,185.22 = 429,859.01 : x
  2. Step 2: Convert to fraction form
    774,021.57/1,068,185.22 = 429,859.01/x
  3. Step 3: Cross multiply
    774,021.57x = 1,068,185.22 × 429,859.01
  4. Step 4: Simplify right side
    774,021.57x = 459,169,041,165.83
  5. Step 5: Solve for x
    x = 459,169,041,165.83/774,021.57
  6. Step 6: Final answer
    x = 593,225.12

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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.