Home / 903,293.34-1,243,416.06-780,729.81

Finding the Fourth Proportional to 903,293.34, 1,243,416.06 and 780,729.81

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Solution

The fourth proportional to 903,293.34, 1,243,416.06 and 780,729.81 is: 1,074,702.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,293.34 : 1,243,416.06 = 780,729.81 : x
  2. Step 2: Convert to fraction form
    903,293.34/1,243,416.06 = 780,729.81/x
  3. Step 3: Cross multiply
    903,293.34x = 1,243,416.06 × 780,729.81
  4. Step 4: Simplify right side
    903,293.34x = 970,771,984,274.75
  5. Step 5: Solve for x
    x = 970,771,984,274.75/903,293.34
  6. Step 6: Final answer
    x = 1,074,702.91

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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.