Home / 915,187.12-1,370,993.80-434,731.23

Finding the Fourth Proportional to 915,187.12, 1,370,993.80 and 434,731.23

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Solution

The fourth proportional to 915,187.12, 1,370,993.80 and 434,731.23 is: 651,248.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,187.12 : 1,370,993.80 = 434,731.23 : x
  2. Step 2: Convert to fraction form
    915,187.12/1,370,993.80 = 434,731.23/x
  3. Step 3: Cross multiply
    915,187.12x = 1,370,993.80 × 434,731.23
  4. Step 4: Simplify right side
    915,187.12x = 596,013,820,996.37
  5. Step 5: Solve for x
    x = 596,013,820,996.37/915,187.12
  6. Step 6: Final answer
    x = 651,248.04

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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.