Home / 859,762.03-1,287,665.68-499,039.50

Finding the Fourth Proportional to 859,762.03, 1,287,665.68 and 499,039.50

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Solution

The fourth proportional to 859,762.03, 1,287,665.68 and 499,039.50 is: 747,411.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,762.03 : 1,287,665.68 = 499,039.50 : x
  2. Step 2: Convert to fraction form
    859,762.03/1,287,665.68 = 499,039.50/x
  3. Step 3: Cross multiply
    859,762.03x = 1,287,665.68 × 499,039.50
  4. Step 4: Simplify right side
    859,762.03x = 642,596,037,114.36
  5. Step 5: Solve for x
    x = 642,596,037,114.36/859,762.03
  6. Step 6: Final answer
    x = 747,411.51

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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.