Home / 858,276.12-1,184,425.64-476,303.20

Finding the Fourth Proportional to 858,276.12, 1,184,425.64 and 476,303.20

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Solution

The fourth proportional to 858,276.12, 1,184,425.64 and 476,303.20 is: 657,300.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,276.12 : 1,184,425.64 = 476,303.20 : x
  2. Step 2: Convert to fraction form
    858,276.12/1,184,425.64 = 476,303.20/x
  3. Step 3: Cross multiply
    858,276.12x = 1,184,425.64 × 476,303.20
  4. Step 4: Simplify right side
    858,276.12x = 564,145,722,494.05
  5. Step 5: Solve for x
    x = 564,145,722,494.05/858,276.12
  6. Step 6: Final answer
    x = 657,300.97

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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.