Home / 455,050.04-682,043.48-342,368.18

Finding the Fourth Proportional to 455,050.04, 682,043.48 and 342,368.18

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Solution

The fourth proportional to 455,050.04, 682,043.48 and 342,368.18 is: 513,152.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,050.04 : 682,043.48 = 342,368.18 : x
  2. Step 2: Convert to fraction form
    455,050.04/682,043.48 = 342,368.18/x
  3. Step 3: Cross multiply
    455,050.04x = 682,043.48 × 342,368.18
  4. Step 4: Simplify right side
    455,050.04x = 233,509,984,928.47
  5. Step 5: Solve for x
    x = 233,509,984,928.47/455,050.04
  6. Step 6: Final answer
    x = 513,152.32

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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.