Home / 1,000,478.24-1,500,492.75-460,215.64

Finding the Fourth Proportional to 1,000,478.24, 1,500,492.75 and 460,215.64

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Solution

The fourth proportional to 1,000,478.24, 1,500,492.75 and 460,215.64 is: 690,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,478.24 : 1,500,492.75 = 460,215.64 : x
  2. Step 2: Convert to fraction form
    1,000,478.24/1,500,492.75 = 460,215.64/x
  3. Step 3: Cross multiply
    1,000,478.24x = 1,500,492.75 × 460,215.64
  4. Step 4: Simplify right side
    1,000,478.24x = 690,550,231,256.61
  5. Step 5: Solve for x
    x = 690,550,231,256.61/1,000,478.24
  6. Step 6: Final answer
    x = 690,220.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.