Home / 541,420.18-812,928.65-302,001.86

Finding the Fourth Proportional to 541,420.18, 812,928.65 and 302,001.86

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Solution

The fourth proportional to 541,420.18, 812,928.65 and 302,001.86 is: 453,448.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,420.18 : 812,928.65 = 302,001.86 : x
  2. Step 2: Convert to fraction form
    541,420.18/812,928.65 = 302,001.86/x
  3. Step 3: Cross multiply
    541,420.18x = 812,928.65 × 302,001.86
  4. Step 4: Simplify right side
    541,420.18x = 245,505,964,869.60
  5. Step 5: Solve for x
    x = 245,505,964,869.60/541,420.18
  6. Step 6: Final answer
    x = 453,448.13

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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.