Home / 890,339.84-1,229,094.96-508,292.72

Finding the Fourth Proportional to 890,339.84, 1,229,094.96 and 508,292.72

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Solution

The fourth proportional to 890,339.84, 1,229,094.96 and 508,292.72 is: 701,687.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,339.84 : 1,229,094.96 = 508,292.72 : x
  2. Step 2: Convert to fraction form
    890,339.84/1,229,094.96 = 508,292.72/x
  3. Step 3: Cross multiply
    890,339.84x = 1,229,094.96 × 508,292.72
  4. Step 4: Simplify right side
    890,339.84x = 624,740,020,356.69
  5. Step 5: Solve for x
    x = 624,740,020,356.69/890,339.84
  6. Step 6: Final answer
    x = 701,687.14

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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.