Home / 877,762.44-1,316,509.20-278,645.40

Finding the Fourth Proportional to 877,762.44, 1,316,509.20 and 278,645.40

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Solution

The fourth proportional to 877,762.44, 1,316,509.20 and 278,645.40 is: 417,925.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,762.44 : 1,316,509.20 = 278,645.40 : x
  2. Step 2: Convert to fraction form
    877,762.44/1,316,509.20 = 278,645.40/x
  3. Step 3: Cross multiply
    877,762.44x = 1,316,509.20 × 278,645.40
  4. Step 4: Simplify right side
    877,762.44x = 366,839,232,637.68
  5. Step 5: Solve for x
    x = 366,839,232,637.68/877,762.44
  6. Step 6: Final answer
    x = 417,925.42

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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.