Home / 760,199.68-1,139,962.54-405,147.52

Finding the Fourth Proportional to 760,199.68, 1,139,962.54 and 405,147.52

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Solution

The fourth proportional to 760,199.68, 1,139,962.54 and 405,147.52 is: 607,541.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,199.68 : 1,139,962.54 = 405,147.52 : x
  2. Step 2: Convert to fraction form
    760,199.68/1,139,962.54 = 405,147.52/x
  3. Step 3: Cross multiply
    760,199.68x = 1,139,962.54 × 405,147.52
  4. Step 4: Simplify right side
    760,199.68x = 461,852,995,973.90
  5. Step 5: Solve for x
    x = 461,852,995,973.90/760,199.68
  6. Step 6: Final answer
    x = 607,541.69

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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.