Home / 983,142.40-1,475,288-414,488.96

Finding the Fourth Proportional to 983,142.40, 1,475,288 and 414,488.96

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Solution

The fourth proportional to 983,142.40, 1,475,288 and 414,488.96 is: 621,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,142.40 : 1,475,288 = 414,488.96 : x
  2. Step 2: Convert to fraction form
    983,142.40/1,475,288 = 414,488.96/x
  3. Step 3: Cross multiply
    983,142.40x = 1,475,288 × 414,488.96
  4. Step 4: Simplify right side
    983,142.40x = 611,490,588,820.48
  5. Step 5: Solve for x
    x = 611,490,588,820.48/983,142.40
  6. Step 6: Final answer
    x = 621,975.60

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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.