Home / 746,040.60-1,119,391.56-390,970.14

Finding the Fourth Proportional to 746,040.60, 1,119,391.56 and 390,970.14

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Solution

The fourth proportional to 746,040.60, 1,119,391.56 and 390,970.14 is: 586,628.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,040.60 : 1,119,391.56 = 390,970.14 : x
  2. Step 2: Convert to fraction form
    746,040.60/1,119,391.56 = 390,970.14/x
  3. Step 3: Cross multiply
    746,040.60x = 1,119,391.56 × 390,970.14
  4. Step 4: Simplify right side
    746,040.60x = 437,648,674,928.02
  5. Step 5: Solve for x
    x = 437,648,674,928.02/746,040.60
  6. Step 6: Final answer
    x = 586,628.50

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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.