Home / 470,532.10-649,337.07-255,672.13

Finding the Fourth Proportional to 470,532.10, 649,337.07 and 255,672.13

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Solution

The fourth proportional to 470,532.10, 649,337.07 and 255,672.13 is: 352,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,532.10 : 649,337.07 = 255,672.13 : x
  2. Step 2: Convert to fraction form
    470,532.10/649,337.07 = 255,672.13/x
  3. Step 3: Cross multiply
    470,532.10x = 649,337.07 × 255,672.13
  4. Step 4: Simplify right side
    470,532.10x = 166,017,391,774.86
  5. Step 5: Solve for x
    x = 166,017,391,774.86/470,532.10
  6. Step 6: Final answer
    x = 352,829.05

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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.