Home / 890,276.60-1,228,580.02-482,389.48

Finding the Fourth Proportional to 890,276.60, 1,228,580.02 and 482,389.48

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Solution

The fourth proportional to 890,276.60, 1,228,580.02 and 482,389.48 is: 665,696.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,276.60 : 1,228,580.02 = 482,389.48 : x
  2. Step 2: Convert to fraction form
    890,276.60/1,228,580.02 = 482,389.48/x
  3. Step 3: Cross multiply
    890,276.60x = 1,228,580.02 × 482,389.48
  4. Step 4: Simplify right side
    890,276.60x = 592,654,076,986.19
  5. Step 5: Solve for x
    x = 592,654,076,986.19/890,276.60
  6. Step 6: Final answer
    x = 665,696.57

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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.