Home / 867,930.48-1,197,756.45-500,400.35

Finding the Fourth Proportional to 867,930.48, 1,197,756.45 and 500,400.35

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Solution

The fourth proportional to 867,930.48, 1,197,756.45 and 500,400.35 is: 690,559.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,930.48 : 1,197,756.45 = 500,400.35 : x
  2. Step 2: Convert to fraction form
    867,930.48/1,197,756.45 = 500,400.35/x
  3. Step 3: Cross multiply
    867,930.48x = 1,197,756.45 × 500,400.35
  4. Step 4: Simplify right side
    867,930.48x = 599,357,740,805.98
  5. Step 5: Solve for x
    x = 599,357,740,805.98/867,930.48
  6. Step 6: Final answer
    x = 690,559.62

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1.5x scale

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.