Home / 744,827.50-1,027,861.95-405,298.18

Finding the Fourth Proportional to 744,827.50, 1,027,861.95 and 405,298.18

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Solution

The fourth proportional to 744,827.50, 1,027,861.95 and 405,298.18 is: 559,311.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,827.50 : 1,027,861.95 = 405,298.18 : x
  2. Step 2: Convert to fraction form
    744,827.50/1,027,861.95 = 405,298.18/x
  3. Step 3: Cross multiply
    744,827.50x = 1,027,861.95 × 405,298.18
  4. Step 4: Simplify right side
    744,827.50x = 416,590,577,626.25
  5. Step 5: Solve for x
    x = 416,590,577,626.25/744,827.50
  6. Step 6: Final answer
    x = 559,311.49

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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.