Home / 418,413.08-577,407.88-227,427.50

Finding the Fourth Proportional to 418,413.08, 577,407.88 and 227,427.50

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Solution

The fourth proportional to 418,413.08, 577,407.88 and 227,427.50 is: 313,848.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,413.08 : 577,407.88 = 227,427.50 : x
  2. Step 2: Convert to fraction form
    418,413.08/577,407.88 = 227,427.50/x
  3. Step 3: Cross multiply
    418,413.08x = 577,407.88 × 227,427.50
  4. Step 4: Simplify right side
    418,413.08x = 131,318,430,628.70
  5. Step 5: Solve for x
    x = 131,318,430,628.70/418,413.08
  6. Step 6: Final answer
    x = 313,848.77

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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.