Home / 904,985.57-1,355,411.64-432,003.08

Finding the Fourth Proportional to 904,985.57, 1,355,411.64 and 432,003.08

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Solution

The fourth proportional to 904,985.57, 1,355,411.64 and 432,003.08 is: 647,018.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,985.57 : 1,355,411.64 = 432,003.08 : x
  2. Step 2: Convert to fraction form
    904,985.57/1,355,411.64 = 432,003.08/x
  3. Step 3: Cross multiply
    904,985.57x = 1,355,411.64 × 432,003.08
  4. Step 4: Simplify right side
    904,985.57x = 585,542,003,147.85
  5. Step 5: Solve for x
    x = 585,542,003,147.85/904,985.57
  6. Step 6: Final answer
    x = 647,018.05

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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.