Home / 877,954.41-1,316,326.53-345,536.55

Finding the Fourth Proportional to 877,954.41, 1,316,326.53 and 345,536.55

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Solution

The fourth proportional to 877,954.41, 1,316,326.53 and 345,536.55 is: 518,066.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,954.41 : 1,316,326.53 = 345,536.55 : x
  2. Step 2: Convert to fraction form
    877,954.41/1,316,326.53 = 345,536.55/x
  3. Step 3: Cross multiply
    877,954.41x = 1,316,326.53 × 345,536.55
  4. Step 4: Simplify right side
    877,954.41x = 454,838,927,849.67
  5. Step 5: Solve for x
    x = 454,838,927,849.67/877,954.41
  6. Step 6: Final answer
    x = 518,066.68

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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.