Home / 877,019.84-1,315,412.88-278,041.54

Finding the Fourth Proportional to 877,019.84, 1,315,412.88 and 278,041.54

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Solution

The fourth proportional to 877,019.84, 1,315,412.88 and 278,041.54 is: 417,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,019.84 : 1,315,412.88 = 278,041.54 : x
  2. Step 2: Convert to fraction form
    877,019.84/1,315,412.88 = 278,041.54/x
  3. Step 3: Cross multiply
    877,019.84x = 1,315,412.88 × 278,041.54
  4. Step 4: Simplify right side
    877,019.84x = 365,739,422,891.04
  5. Step 5: Solve for x
    x = 365,739,422,891.04/877,019.84
  6. Step 6: Final answer
    x = 417,025.26

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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.