Home / 772,136.69-1,157,810.09-322,734.92

Finding the Fourth Proportional to 772,136.69, 1,157,810.09 and 322,734.92

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Solution

The fourth proportional to 772,136.69, 1,157,810.09 and 322,734.92 is: 483,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,136.69 : 1,157,810.09 = 322,734.92 : x
  2. Step 2: Convert to fraction form
    772,136.69/1,157,810.09 = 322,734.92/x
  3. Step 3: Cross multiply
    772,136.69x = 1,157,810.09 × 322,734.92
  4. Step 4: Simplify right side
    772,136.69x = 373,665,739,368.62
  5. Step 5: Solve for x
    x = 373,665,739,368.62/772,136.69
  6. Step 6: Final answer
    x = 483,937.30

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1.5x scale

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.