Home / 858,501.32-1,184,785.56-476,534.48

Finding the Fourth Proportional to 858,501.32, 1,184,785.56 and 476,534.48

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Solution

The fourth proportional to 858,501.32, 1,184,785.56 and 476,534.48 is: 657,647.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,501.32 : 1,184,785.56 = 476,534.48 : x
  2. Step 2: Convert to fraction form
    858,501.32/1,184,785.56 = 476,534.48/x
  3. Step 3: Cross multiply
    858,501.32x = 1,184,785.56 × 476,534.48
  4. Step 4: Simplify right side
    858,501.32x = 564,591,170,746.11
  5. Step 5: Solve for x
    x = 564,591,170,746.11/858,501.32
  6. Step 6: Final answer
    x = 657,647.41

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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.