Home / 585,110.80-877,666.20-485,383.60

Finding the Fourth Proportional to 585,110.80, 877,666.20 and 485,383.60

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Solution

The fourth proportional to 585,110.80, 877,666.20 and 485,383.60 is: 728,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,110.80 : 877,666.20 = 485,383.60 : x
  2. Step 2: Convert to fraction form
    585,110.80/877,666.20 = 485,383.60/x
  3. Step 3: Cross multiply
    585,110.80x = 877,666.20 × 485,383.60
  4. Step 4: Simplify right side
    585,110.80x = 426,004,779,754.32
  5. Step 5: Solve for x
    x = 426,004,779,754.32/585,110.80
  6. Step 6: Final answer
    x = 728,075.40

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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.