Home / 525,307.62-724,927.44-298,953.12

Finding the Fourth Proportional to 525,307.62, 724,927.44 and 298,953.12

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Solution

The fourth proportional to 525,307.62, 724,927.44 and 298,953.12 is: 412,556.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,307.62 : 724,927.44 = 298,953.12 : x
  2. Step 2: Convert to fraction form
    525,307.62/724,927.44 = 298,953.12/x
  3. Step 3: Cross multiply
    525,307.62x = 724,927.44 × 298,953.12
  4. Step 4: Simplify right side
    525,307.62x = 216,719,319,961.61
  5. Step 5: Solve for x
    x = 216,719,319,961.61/525,307.62
  6. Step 6: Final answer
    x = 412,556.97

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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.