Home / 750,078.99-1,035,127.24-427,819.07

Finding the Fourth Proportional to 750,078.99, 1,035,127.24 and 427,819.07

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Solution

The fourth proportional to 750,078.99, 1,035,127.24 and 427,819.07 is: 590,400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,078.99 : 1,035,127.24 = 427,819.07 : x
  2. Step 2: Convert to fraction form
    750,078.99/1,035,127.24 = 427,819.07/x
  3. Step 3: Cross multiply
    750,078.99x = 1,035,127.24 × 427,819.07
  4. Step 4: Simplify right side
    750,078.99x = 442,847,174,666.74
  5. Step 5: Solve for x
    x = 442,847,174,666.74/750,078.99
  6. Step 6: Final answer
    x = 590,400.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.