Home / 878,658.84-1,316,483.46-479,579.76

Finding the Fourth Proportional to 878,658.84, 1,316,483.46 and 479,579.76

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Solution

The fourth proportional to 878,658.84, 1,316,483.46 and 479,579.76 is: 718,548.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,658.84 : 1,316,483.46 = 479,579.76 : x
  2. Step 2: Convert to fraction form
    878,658.84/1,316,483.46 = 479,579.76/x
  3. Step 3: Cross multiply
    878,658.84x = 1,316,483.46 × 479,579.76
  4. Step 4: Simplify right side
    878,658.84x = 631,358,821,790.77
  5. Step 5: Solve for x
    x = 631,358,821,790.77/878,658.84
  6. Step 6: Final answer
    x = 718,548.31

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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.