Home / 785,451.34-1,178,153.45-216,867.17

Finding the Fourth Proportional to 785,451.34, 1,178,153.45 and 216,867.17

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Solution

The fourth proportional to 785,451.34, 1,178,153.45 and 216,867.17 is: 325,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,451.34 : 1,178,153.45 = 216,867.17 : x
  2. Step 2: Convert to fraction form
    785,451.34/1,178,153.45 = 216,867.17/x
  3. Step 3: Cross multiply
    785,451.34x = 1,178,153.45 × 216,867.17
  4. Step 4: Simplify right side
    785,451.34x = 255,502,803,442.90
  5. Step 5: Solve for x
    x = 255,502,803,442.90/785,451.34
  6. Step 6: Final answer
    x = 325,294.25

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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.