Home / 768,741.48-1,153,222.47-236,307.21

Finding the Fourth Proportional to 768,741.48, 1,153,222.47 and 236,307.21

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Solution

The fourth proportional to 768,741.48, 1,153,222.47 and 236,307.21 is: 354,494.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,741.48 : 1,153,222.47 = 236,307.21 : x
  2. Step 2: Convert to fraction form
    768,741.48/1,153,222.47 = 236,307.21/x
  3. Step 3: Cross multiply
    768,741.48x = 1,153,222.47 × 236,307.21
  4. Step 4: Simplify right side
    768,741.48x = 272,514,784,395.01
  5. Step 5: Solve for x
    x = 272,514,784,395.01/768,741.48
  6. Step 6: Final answer
    x = 354,494.71

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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.