Home / 900,346.38-1,242,383.17-537,719.91

Finding the Fourth Proportional to 900,346.38, 1,242,383.17 and 537,719.91

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Solution

The fourth proportional to 900,346.38, 1,242,383.17 and 537,719.91 is: 741,996.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,346.38 : 1,242,383.17 = 537,719.91 : x
  2. Step 2: Convert to fraction form
    900,346.38/1,242,383.17 = 537,719.91/x
  3. Step 3: Cross multiply
    900,346.38x = 1,242,383.17 × 537,719.91
  4. Step 4: Simplify right side
    900,346.38x = 668,054,166,357.92
  5. Step 5: Solve for x
    x = 668,054,166,357.92/900,346.38
  6. Step 6: Final answer
    x = 741,996.84

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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.