Home / 528,330.03-729,095.44-301,980.39

Finding the Fourth Proportional to 528,330.03, 729,095.44 and 301,980.39

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Solution

The fourth proportional to 528,330.03, 729,095.44 and 301,980.39 is: 416,732.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,330.03 : 729,095.44 = 301,980.39 : x
  2. Step 2: Convert to fraction form
    528,330.03/729,095.44 = 301,980.39/x
  3. Step 3: Cross multiply
    528,330.03x = 729,095.44 × 301,980.39
  4. Step 4: Simplify right side
    528,330.03x = 220,172,525,318.42
  5. Step 5: Solve for x
    x = 220,172,525,318.42/528,330.03
  6. Step 6: Final answer
    x = 416,732.94

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.