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Finding the Fourth Proportional to 520,948.04, 718,912.58 and 282,484.04

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Solution

The fourth proportional to 520,948.04, 718,912.58 and 282,484.04 is: 389,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,948.04 : 718,912.58 = 282,484.04 : x
  2. Step 2: Convert to fraction form
    520,948.04/718,912.58 = 282,484.04/x
  3. Step 3: Cross multiply
    520,948.04x = 718,912.58 × 282,484.04
  4. Step 4: Simplify right side
    520,948.04x = 203,081,330,005.22
  5. Step 5: Solve for x
    x = 203,081,330,005.22/520,948.04
  6. Step 6: Final answer
    x = 389,830.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.