Home / 890,341.20-1,229,096.43-508,294.17

Finding the Fourth Proportional to 890,341.20, 1,229,096.43 and 508,294.17

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Solution

The fourth proportional to 890,341.20, 1,229,096.43 and 508,294.17 is: 701,688.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,341.20 : 1,229,096.43 = 508,294.17 : x
  2. Step 2: Convert to fraction form
    890,341.20/1,229,096.43 = 508,294.17/x
  3. Step 3: Cross multiply
    890,341.20x = 1,229,096.43 × 508,294.17
  4. Step 4: Simplify right side
    890,341.20x = 624,742,549,736.81
  5. Step 5: Solve for x
    x = 624,742,549,736.81/890,341.20
  6. Step 6: Final answer
    x = 701,688.91

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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.