Home / 858,486.74-1,184,498.25-476,417.84

Finding the Fourth Proportional to 858,486.74, 1,184,498.25 and 476,417.84

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Solution

The fourth proportional to 858,486.74, 1,184,498.25 and 476,417.84 is: 657,338.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,486.74 : 1,184,498.25 = 476,417.84 : x
  2. Step 2: Convert to fraction form
    858,486.74/1,184,498.25 = 476,417.84/x
  3. Step 3: Cross multiply
    858,486.74x = 1,184,498.25 × 476,417.84
  4. Step 4: Simplify right side
    858,486.74x = 564,316,097,748.78
  5. Step 5: Solve for x
    x = 564,316,097,748.78/858,486.74
  6. Step 6: Final answer
    x = 657,338.16

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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.