Home / 852,720.60-1,176,723.58-470,739.18

Finding the Fourth Proportional to 852,720.60, 1,176,723.58 and 470,739.18

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Solution

The fourth proportional to 852,720.60, 1,176,723.58 and 470,739.18 is: 649,603.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,720.60 : 1,176,723.58 = 470,739.18 : x
  2. Step 2: Convert to fraction form
    852,720.60/1,176,723.58 = 470,739.18/x
  3. Step 3: Cross multiply
    852,720.60x = 1,176,723.58 × 470,739.18
  4. Step 4: Simplify right side
    852,720.60x = 553,929,893,135.86
  5. Step 5: Solve for x
    x = 553,929,893,135.86/852,720.60
  6. Step 6: Final answer
    x = 649,603.04

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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.