Home / 760,188.68-1,139,946.06-405,136.52

Finding the Fourth Proportional to 760,188.68, 1,139,946.06 and 405,136.52

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Solution

The fourth proportional to 760,188.68, 1,139,946.06 and 405,136.52 is: 607,525.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,188.68 : 1,139,946.06 = 405,136.52 : x
  2. Step 2: Convert to fraction form
    760,188.68/1,139,946.06 = 405,136.52/x
  3. Step 3: Cross multiply
    760,188.68x = 1,139,946.06 × 405,136.52
  4. Step 4: Simplify right side
    760,188.68x = 461,833,779,736.11
  5. Step 5: Solve for x
    x = 461,833,779,736.11/760,188.68
  6. Step 6: Final answer
    x = 607,525.20

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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.