Home / 912,847.60-1,369,271.40-247,999.60

Finding the Fourth Proportional to 912,847.60, 1,369,271.40 and 247,999.60

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Solution

The fourth proportional to 912,847.60, 1,369,271.40 and 247,999.60 is: 371,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,847.60 : 1,369,271.40 = 247,999.60 : x
  2. Step 2: Convert to fraction form
    912,847.60/1,369,271.40 = 247,999.60/x
  3. Step 3: Cross multiply
    912,847.60x = 1,369,271.40 × 247,999.60
  4. Step 4: Simplify right side
    912,847.60x = 339,578,759,491.44
  5. Step 5: Solve for x
    x = 339,578,759,491.44/912,847.60
  6. Step 6: Final answer
    x = 371,999.40

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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.