Home / 649,150.80-973,726.20-369,214.80

Finding the Fourth Proportional to 649,150.80, 973,726.20 and 369,214.80

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Solution

The fourth proportional to 649,150.80, 973,726.20 and 369,214.80 is: 553,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,150.80 : 973,726.20 = 369,214.80 : x
  2. Step 2: Convert to fraction form
    649,150.80/973,726.20 = 369,214.80/x
  3. Step 3: Cross multiply
    649,150.80x = 973,726.20 × 369,214.80
  4. Step 4: Simplify right side
    649,150.80x = 359,514,124,187.76
  5. Step 5: Solve for x
    x = 359,514,124,187.76/649,150.80
  6. Step 6: Final answer
    x = 553,822.20

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Double scale
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Similar ratio
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1.5x scale

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.