Home / 906,319.96-1,250,692.90-498,420.54

Finding the Fourth Proportional to 906,319.96, 1,250,692.90 and 498,420.54

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Solution

The fourth proportional to 906,319.96, 1,250,692.90 and 498,420.54 is: 687,804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,319.96 : 1,250,692.90 = 498,420.54 : x
  2. Step 2: Convert to fraction form
    906,319.96/1,250,692.90 = 498,420.54/x
  3. Step 3: Cross multiply
    906,319.96x = 1,250,692.90 × 498,420.54
  4. Step 4: Simplify right side
    906,319.96x = 623,371,030,592.17
  5. Step 5: Solve for x
    x = 623,371,030,592.17/906,319.96
  6. Step 6: Final answer
    x = 687,804.59

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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.