Home / 915,457.14-1,373,246.19-316,476.18

Finding the Fourth Proportional to 915,457.14, 1,373,246.19 and 316,476.18

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Solution

The fourth proportional to 915,457.14, 1,373,246.19 and 316,476.18 is: 474,735.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,457.14 : 1,373,246.19 = 316,476.18 : x
  2. Step 2: Convert to fraction form
    915,457.14/1,373,246.19 = 316,476.18/x
  3. Step 3: Cross multiply
    915,457.14x = 1,373,246.19 × 316,476.18
  4. Step 4: Simplify right side
    915,457.14x = 434,599,708,410.75
  5. Step 5: Solve for x
    x = 434,599,708,410.75/915,457.14
  6. Step 6: Final answer
    x = 474,735.18

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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.