Home / 983,657.15-1,475,538.37-309,790.93

Finding the Fourth Proportional to 983,657.15, 1,475,538.37 and 309,790.93

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Solution

The fourth proportional to 983,657.15, 1,475,538.37 and 309,790.93 is: 464,702.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,657.15 : 1,475,538.37 = 309,790.93 : x
  2. Step 2: Convert to fraction form
    983,657.15/1,475,538.37 = 309,790.93/x
  3. Step 3: Cross multiply
    983,657.15x = 1,475,538.37 × 309,790.93
  4. Step 4: Simplify right side
    983,657.15x = 457,108,403,892.98
  5. Step 5: Solve for x
    x = 457,108,403,892.98/983,657.15
  6. Step 6: Final answer
    x = 464,702.97

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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.