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Finding the Fourth Proportional to 535,313.60, 802,192.80 and 455,998.40

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Solution

The fourth proportional to 535,313.60, 802,192.80 and 455,998.40 is: 683,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,313.60 : 802,192.80 = 455,998.40 : x
  2. Step 2: Convert to fraction form
    535,313.60/802,192.80 = 455,998.40/x
  3. Step 3: Cross multiply
    535,313.60x = 802,192.80 × 455,998.40
  4. Step 4: Simplify right side
    535,313.60x = 365,798,633,291.52
  5. Step 5: Solve for x
    x = 365,798,633,291.52/535,313.60
  6. Step 6: Final answer
    x = 683,335.21

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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.