Home / 983,656.15-1,475,536.87-309,789.93

Finding the Fourth Proportional to 983,656.15, 1,475,536.87 and 309,789.93

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Solution

The fourth proportional to 983,656.15, 1,475,536.87 and 309,789.93 is: 464,701.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,656.15 : 1,475,536.87 = 309,789.93 : x
  2. Step 2: Convert to fraction form
    983,656.15/1,475,536.87 = 309,789.93/x
  3. Step 3: Cross multiply
    983,656.15x = 1,475,536.87 × 309,789.93
  4. Step 4: Simplify right side
    983,656.15x = 457,106,461,290.33
  5. Step 5: Solve for x
    x = 457,106,461,290.33/983,656.15
  6. Step 6: Final answer
    x = 464,701.47

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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.