Home / 470,445.30-649,211.04-255,587.13

Finding the Fourth Proportional to 470,445.30, 649,211.04 and 255,587.13

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Solution

The fourth proportional to 470,445.30, 649,211.04 and 255,587.13 is: 352,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,445.30 : 649,211.04 = 255,587.13 : x
  2. Step 2: Convert to fraction form
    470,445.30/649,211.04 = 255,587.13/x
  3. Step 3: Cross multiply
    470,445.30x = 649,211.04 × 255,587.13
  4. Step 4: Simplify right side
    470,445.30x = 165,929,986,477.92
  5. Step 5: Solve for x
    x = 165,929,986,477.92/470,445.30
  6. Step 6: Final answer
    x = 352,708.35

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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.