Home / 890,305.02-1,228,594.23-508,257.18

Finding the Fourth Proportional to 890,305.02, 1,228,594.23 and 508,257.18

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Solution

The fourth proportional to 890,305.02, 1,228,594.23 and 508,257.18 is: 701,379.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,305.02 : 1,228,594.23 = 508,257.18 : x
  2. Step 2: Convert to fraction form
    890,305.02/1,228,594.23 = 508,257.18/x
  3. Step 3: Cross multiply
    890,305.02x = 1,228,594.23 × 508,257.18
  4. Step 4: Simplify right side
    890,305.02x = 624,441,838,704.07
  5. Step 5: Solve for x
    x = 624,441,838,704.07/890,305.02
  6. Step 6: Final answer
    x = 701,379.67

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Double scale
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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.