Home / 903,248.31-1,246,538.67-500,840.31

Finding the Fourth Proportional to 903,248.31, 1,246,538.67 and 500,840.31

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Solution

The fourth proportional to 903,248.31, 1,246,538.67 and 500,840.31 is: 691,190.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,248.31 : 1,246,538.67 = 500,840.31 : x
  2. Step 2: Convert to fraction form
    903,248.31/1,246,538.67 = 500,840.31/x
  3. Step 3: Cross multiply
    903,248.31x = 1,246,538.67 × 500,840.31
  4. Step 4: Simplify right side
    903,248.31x = 624,316,813,909.79
  5. Step 5: Solve for x
    x = 624,316,813,909.79/903,248.31
  6. Step 6: Final answer
    x = 691,190.68

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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.