Home / 793,501.12-1,189,734.36-287,966.80

Finding the Fourth Proportional to 793,501.12, 1,189,734.36 and 287,966.80

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Solution

The fourth proportional to 793,501.12, 1,189,734.36 and 287,966.80 is: 431,762.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,501.12 : 1,189,734.36 = 287,966.80 : x
  2. Step 2: Convert to fraction form
    793,501.12/1,189,734.36 = 287,966.80/x
  3. Step 3: Cross multiply
    793,501.12x = 1,189,734.36 × 287,966.80
  4. Step 4: Simplify right side
    793,501.12x = 342,603,996,499.25
  5. Step 5: Solve for x
    x = 342,603,996,499.25/793,501.12
  6. Step 6: Final answer
    x = 431,762.46

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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.