Home / 746,021.01-1,119,362.28-390,950.61

Finding the Fourth Proportional to 746,021.01, 1,119,362.28 and 390,950.61

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Solution

The fourth proportional to 746,021.01, 1,119,362.28 and 390,950.61 is: 586,599.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,021.01 : 1,119,362.28 = 390,950.61 : x
  2. Step 2: Convert to fraction form
    746,021.01/1,119,362.28 = 390,950.61/x
  3. Step 3: Cross multiply
    746,021.01x = 1,119,362.28 × 390,950.61
  4. Step 4: Simplify right side
    746,021.01x = 437,615,366,176.99
  5. Step 5: Solve for x
    x = 437,615,366,176.99/746,021.01
  6. Step 6: Final answer
    x = 586,599.25

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Double scale
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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.