Home / 907,112.13-1,360,905.47-338,498.21

Finding the Fourth Proportional to 907,112.13, 1,360,905.47 and 338,498.21

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Solution

The fourth proportional to 907,112.13, 1,360,905.47 and 338,498.21 is: 507,835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,112.13 : 1,360,905.47 = 338,498.21 : x
  2. Step 2: Convert to fraction form
    907,112.13/1,360,905.47 = 338,498.21/x
  3. Step 3: Cross multiply
    907,112.13x = 1,360,905.47 × 338,498.21
  4. Step 4: Simplify right side
    907,112.13x = 460,664,057,077.19
  5. Step 5: Solve for x
    x = 460,664,057,077.19/907,112.13
  6. Step 6: Final answer
    x = 507,835.85

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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.