Home / 983,674.67-1,475,564.65-309,808.49

Finding the Fourth Proportional to 983,674.67, 1,475,564.65 and 309,808.49

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Solution

The fourth proportional to 983,674.67, 1,475,564.65 and 309,808.49 is: 464,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,674.67 : 1,475,564.65 = 309,808.49 : x
  2. Step 2: Convert to fraction form
    983,674.67/1,475,564.65 = 309,808.49/x
  3. Step 3: Cross multiply
    983,674.67x = 1,475,564.65 × 309,808.49
  4. Step 4: Simplify right side
    983,674.67x = 457,142,447,961.53
  5. Step 5: Solve for x
    x = 457,142,447,961.53/983,674.67
  6. Step 6: Final answer
    x = 464,729.31

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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.