Home / 485,246.04-669,632.76-270,395.16

Finding the Fourth Proportional to 485,246.04, 669,632.76 and 270,395.16

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Solution

The fourth proportional to 485,246.04, 669,632.76 and 270,395.16 is: 373,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,246.04 : 669,632.76 = 270,395.16 : x
  2. Step 2: Convert to fraction form
    485,246.04/669,632.76 = 270,395.16/x
  3. Step 3: Cross multiply
    485,246.04x = 669,632.76 × 270,395.16
  4. Step 4: Simplify right side
    485,246.04x = 181,065,457,281.44
  5. Step 5: Solve for x
    x = 181,065,457,281.44/485,246.04
  6. Step 6: Final answer
    x = 373,141.55

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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.