Home / 891,624.86-1,230,442.16-509,659.84

Finding the Fourth Proportional to 891,624.86, 1,230,442.16 and 509,659.84

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Solution

The fourth proportional to 891,624.86, 1,230,442.16 and 509,659.84 is: 703,330.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,624.86 : 1,230,442.16 = 509,659.84 : x
  2. Step 2: Convert to fraction form
    891,624.86/1,230,442.16 = 509,659.84/x
  3. Step 3: Cross multiply
    891,624.86x = 1,230,442.16 × 509,659.84
  4. Step 4: Simplify right side
    891,624.86x = 627,106,948,770.45
  5. Step 5: Solve for x
    x = 627,106,948,770.45/891,624.86
  6. Step 6: Final answer
    x = 703,330.49

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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.