Home / 858,329.88-1,184,480.46-476,372.76

Finding the Fourth Proportional to 858,329.88, 1,184,480.46 and 476,372.76

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Solution

The fourth proportional to 858,329.88, 1,184,480.46 and 476,372.76 is: 657,386.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,329.88 : 1,184,480.46 = 476,372.76 : x
  2. Step 2: Convert to fraction form
    858,329.88/1,184,480.46 = 476,372.76/x
  3. Step 3: Cross multiply
    858,329.88x = 1,184,480.46 × 476,372.76
  4. Step 4: Simplify right side
    858,329.88x = 564,254,225,896.27
  5. Step 5: Solve for x
    x = 564,254,225,896.27/858,329.88
  6. Step 6: Final answer
    x = 657,386.21

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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.