Home / 878,047.60-1,211,703.08-496,074.24

Finding the Fourth Proportional to 878,047.60, 1,211,703.08 and 496,074.24

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Solution

The fourth proportional to 878,047.60, 1,211,703.08 and 496,074.24 is: 684,580.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,047.60 : 1,211,703.08 = 496,074.24 : x
  2. Step 2: Convert to fraction form
    878,047.60/1,211,703.08 = 496,074.24/x
  3. Step 3: Cross multiply
    878,047.60x = 1,211,703.08 × 496,074.24
  4. Step 4: Simplify right side
    878,047.60x = 601,094,684,516.66
  5. Step 5: Solve for x
    x = 601,094,684,516.66/878,047.60
  6. Step 6: Final answer
    x = 684,580.98

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Double scale
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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.