Home / 810,695.96-1,118,690.70-466,413.56

Finding the Fourth Proportional to 810,695.96, 1,118,690.70 and 466,413.56

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Solution

The fourth proportional to 810,695.96, 1,118,690.70 and 466,413.56 is: 643,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,695.96 : 1,118,690.70 = 466,413.56 : x
  2. Step 2: Convert to fraction form
    810,695.96/1,118,690.70 = 466,413.56/x
  3. Step 3: Cross multiply
    810,695.96x = 1,118,690.70 × 466,413.56
  4. Step 4: Simplify right side
    810,695.96x = 521,772,511,925.89
  5. Step 5: Solve for x
    x = 521,772,511,925.89/810,695.96
  6. Step 6: Final answer
    x = 643,610.60

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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.