Home / 877,468.15-1,316,035.74-427,736.71

Finding the Fourth Proportional to 877,468.15, 1,316,035.74 and 427,736.71

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Solution

The fourth proportional to 877,468.15, 1,316,035.74 and 427,736.71 is: 641,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,468.15 : 1,316,035.74 = 427,736.71 : x
  2. Step 2: Convert to fraction form
    877,468.15/1,316,035.74 = 427,736.71/x
  3. Step 3: Cross multiply
    877,468.15x = 1,316,035.74 × 427,736.71
  4. Step 4: Simplify right side
    877,468.15x = 562,916,791,089.84
  5. Step 5: Solve for x
    x = 562,916,791,089.84/877,468.15
  6. Step 6: Final answer
    x = 641,523.91

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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.