Home / 785,437.17-1,178,132.22-216,852.96

Finding the Fourth Proportional to 785,437.17, 1,178,132.22 and 216,852.96

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Solution

The fourth proportional to 785,437.17, 1,178,132.22 and 216,852.96 is: 325,272.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,437.17 : 1,178,132.22 = 216,852.96 : x
  2. Step 2: Convert to fraction form
    785,437.17/1,178,132.22 = 216,852.96/x
  3. Step 3: Cross multiply
    785,437.17x = 1,178,132.22 × 216,852.96
  4. Step 4: Simplify right side
    785,437.17x = 255,481,459,178.37
  5. Step 5: Solve for x
    x = 255,481,459,178.37/785,437.17
  6. Step 6: Final answer
    x = 325,272.94

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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.