Home / 717,087-1,075,630.58-218,451

Finding the Fourth Proportional to 717,087, 1,075,630.58 and 218,451

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Solution

The fourth proportional to 717,087, 1,075,630.58 and 218,451 is: 327,676.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,087 : 1,075,630.58 = 218,451 : x
  2. Step 2: Convert to fraction form
    717,087/1,075,630.58 = 218,451/x
  3. Step 3: Cross multiply
    717,087x = 1,075,630.58 × 218,451
  4. Step 4: Simplify right side
    717,087x = 234,972,575,831.58
  5. Step 5: Solve for x
    x = 234,972,575,831.58/717,087
  6. Step 6: Final answer
    x = 327,676.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.