Home / 761,293.95-1,141,860.42-401,320.59

Finding the Fourth Proportional to 761,293.95, 1,141,860.42 and 401,320.59

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Solution

The fourth proportional to 761,293.95, 1,141,860.42 and 401,320.59 is: 601,938.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,293.95 : 1,141,860.42 = 401,320.59 : x
  2. Step 2: Convert to fraction form
    761,293.95/1,141,860.42 = 401,320.59/x
  3. Step 3: Cross multiply
    761,293.95x = 1,141,860.42 × 401,320.59
  4. Step 4: Simplify right side
    761,293.95x = 458,252,097,452.05
  5. Step 5: Solve for x
    x = 458,252,097,452.05/761,293.95
  6. Step 6: Final answer
    x = 601,938.45

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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.