Home / 698,220.82-1,047,413.28-249,005.56

Finding the Fourth Proportional to 698,220.82, 1,047,413.28 and 249,005.56

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Solution

The fourth proportional to 698,220.82, 1,047,413.28 and 249,005.56 is: 373,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,220.82 : 1,047,413.28 = 249,005.56 : x
  2. Step 2: Convert to fraction form
    698,220.82/1,047,413.28 = 249,005.56/x
  3. Step 3: Cross multiply
    698,220.82x = 1,047,413.28 × 249,005.56
  4. Step 4: Simplify right side
    698,220.82x = 260,811,730,337.84
  5. Step 5: Solve for x
    x = 260,811,730,337.84/698,220.82
  6. Step 6: Final answer
    x = 373,537.60

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.