Home / 901,048.50-1,243,446.93-498,666.42

Finding the Fourth Proportional to 901,048.50, 1,243,446.93 and 498,666.42

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Solution

The fourth proportional to 901,048.50, 1,243,446.93 and 498,666.42 is: 688,159.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,048.50 : 1,243,446.93 = 498,666.42 : x
  2. Step 2: Convert to fraction form
    901,048.50/1,243,446.93 = 498,666.42/x
  3. Step 3: Cross multiply
    901,048.50x = 1,243,446.93 × 498,666.42
  4. Step 4: Simplify right side
    901,048.50x = 620,065,229,043.09
  5. Step 5: Solve for x
    x = 620,065,229,043.09/901,048.50
  6. Step 6: Final answer
    x = 688,159.66

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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.