Home / 891,950.23-1,230,900.35-484,055.61

Finding the Fourth Proportional to 891,950.23, 1,230,900.35 and 484,055.61

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Solution

The fourth proportional to 891,950.23, 1,230,900.35 and 484,055.61 is: 668,001.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,950.23 : 1,230,900.35 = 484,055.61 : x
  2. Step 2: Convert to fraction form
    891,950.23/1,230,900.35 = 484,055.61/x
  3. Step 3: Cross multiply
    891,950.23x = 1,230,900.35 × 484,055.61
  4. Step 4: Simplify right side
    891,950.23x = 595,824,219,768.46
  5. Step 5: Solve for x
    x = 595,824,219,768.46/891,950.23
  6. Step 6: Final answer
    x = 668,001.64

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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.