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Finding the Fourth Proportional to 535,320.60, 802,203.30 and 456,005.40

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Solution

The fourth proportional to 535,320.60, 802,203.30 and 456,005.40 is: 683,345.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,320.60 : 802,203.30 = 456,005.40 : x
  2. Step 2: Convert to fraction form
    535,320.60/802,203.30 = 456,005.40/x
  3. Step 3: Cross multiply
    535,320.60x = 802,203.30 × 456,005.40
  4. Step 4: Simplify right side
    535,320.60x = 365,809,036,697.82
  5. Step 5: Solve for x
    x = 365,809,036,697.82/535,320.60
  6. Step 6: Final answer
    x = 683,345.71

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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.