Home / 950,889.66-1,425,809.61-390,317.82

Finding the Fourth Proportional to 950,889.66, 1,425,809.61 and 390,317.82

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Solution

The fourth proportional to 950,889.66, 1,425,809.61 and 390,317.82 is: 585,261.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,889.66 : 1,425,809.61 = 390,317.82 : x
  2. Step 2: Convert to fraction form
    950,889.66/1,425,809.61 = 390,317.82/x
  3. Step 3: Cross multiply
    950,889.66x = 1,425,809.61 × 390,317.82
  4. Step 4: Simplify right side
    950,889.66x = 556,518,898,710.25
  5. Step 5: Solve for x
    x = 556,518,898,710.25/950,889.66
  6. Step 6: Final answer
    x = 585,261.28

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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.