Home / 900,984.92-1,243,347.49-493,079.35

Finding the Fourth Proportional to 900,984.92, 1,243,347.49 and 493,079.35

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Solution

The fourth proportional to 900,984.92, 1,243,347.49 and 493,079.35 is: 680,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,984.92 : 1,243,347.49 = 493,079.35 : x
  2. Step 2: Convert to fraction form
    900,984.92/1,243,347.49 = 493,079.35/x
  3. Step 3: Cross multiply
    900,984.92x = 1,243,347.49 × 493,079.35
  4. Step 4: Simplify right side
    900,984.92x = 613,068,973,419.37
  5. Step 5: Solve for x
    x = 613,068,973,419.37/900,984.92
  6. Step 6: Final answer
    x = 680,443.10

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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.