Home / 525,110.72-724,643.52-298,751.36

Finding the Fourth Proportional to 525,110.72, 724,643.52 and 298,751.36

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Solution

The fourth proportional to 525,110.72, 724,643.52 and 298,751.36 is: 412,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,110.72 : 724,643.52 = 298,751.36 : x
  2. Step 2: Convert to fraction form
    525,110.72/724,643.52 = 298,751.36/x
  3. Step 3: Cross multiply
    525,110.72x = 724,643.52 × 298,751.36
  4. Step 4: Simplify right side
    525,110.72x = 216,488,237,115.19
  5. Step 5: Solve for x
    x = 216,488,237,115.19/525,110.72
  6. Step 6: Final answer
    x = 412,271.60

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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.