Home / 907,318.13-1,360,977.20-316,342.13

Finding the Fourth Proportional to 907,318.13, 1,360,977.20 and 316,342.13

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Solution

The fourth proportional to 907,318.13, 1,360,977.20 and 316,342.13 is: 474,513.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,318.13 : 1,360,977.20 = 316,342.13 : x
  2. Step 2: Convert to fraction form
    907,318.13/1,360,977.20 = 316,342.13/x
  3. Step 3: Cross multiply
    907,318.13x = 1,360,977.20 × 316,342.13
  4. Step 4: Simplify right side
    907,318.13x = 430,534,417,942.84
  5. Step 5: Solve for x
    x = 430,534,417,942.84/907,318.13
  6. Step 6: Final answer
    x = 474,513.19

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.