Home / 926,270.31-1,388,693.17-470,487.06

Finding the Fourth Proportional to 926,270.31, 1,388,693.17 and 470,487.06

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Solution

The fourth proportional to 926,270.31, 1,388,693.17 and 470,487.06 is: 705,368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,270.31 : 1,388,693.17 = 470,487.06 : x
  2. Step 2: Convert to fraction form
    926,270.31/1,388,693.17 = 470,487.06/x
  3. Step 3: Cross multiply
    926,270.31x = 1,388,693.17 × 470,487.06
  4. Step 4: Simplify right side
    926,270.31x = 653,362,164,139.39
  5. Step 5: Solve for x
    x = 653,362,164,139.39/926,270.31
  6. Step 6: Final answer
    x = 705,368.79

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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.