Home / 648,025.80-972,038.70-585,040.20

Finding the Fourth Proportional to 648,025.80, 972,038.70 and 585,040.20

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Solution

The fourth proportional to 648,025.80, 972,038.70 and 585,040.20 is: 877,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,025.80 : 972,038.70 = 585,040.20 : x
  2. Step 2: Convert to fraction form
    648,025.80/972,038.70 = 585,040.20/x
  3. Step 3: Cross multiply
    648,025.80x = 972,038.70 × 585,040.20
  4. Step 4: Simplify right side
    648,025.80x = 568,681,715,455.74
  5. Step 5: Solve for x
    x = 568,681,715,455.74/648,025.80
  6. Step 6: Final answer
    x = 877,560.30

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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.