Home / 904,030.72-1,355,520.96-342,759.04

Finding the Fourth Proportional to 904,030.72, 1,355,520.96 and 342,759.04

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Solution

The fourth proportional to 904,030.72, 1,355,520.96 and 342,759.04 is: 513,939.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,030.72 : 1,355,520.96 = 342,759.04 : x
  2. Step 2: Convert to fraction form
    904,030.72/1,355,520.96 = 342,759.04/x
  3. Step 3: Cross multiply
    904,030.72x = 1,355,520.96 × 342,759.04
  4. Step 4: Simplify right side
    904,030.72x = 464,617,062,949.48
  5. Step 5: Solve for x
    x = 464,617,062,949.48/904,030.72
  6. Step 6: Final answer
    x = 513,939.46

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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.