Home / 875,150.12-1,207,598.18-487,870.44

Finding the Fourth Proportional to 875,150.12, 1,207,598.18 and 487,870.44

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Solution

The fourth proportional to 875,150.12, 1,207,598.18 and 487,870.44 is: 673,200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,150.12 : 1,207,598.18 = 487,870.44 : x
  2. Step 2: Convert to fraction form
    875,150.12/1,207,598.18 = 487,870.44/x
  3. Step 3: Cross multiply
    875,150.12x = 1,207,598.18 × 487,870.44
  4. Step 4: Simplify right side
    875,150.12x = 589,151,455,419.80
  5. Step 5: Solve for x
    x = 589,151,455,419.80/875,150.12
  6. Step 6: Final answer
    x = 673,200.45

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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.