Home / 898,946.75-1,240,492.61-490,967.36

Finding the Fourth Proportional to 898,946.75, 1,240,492.61 and 490,967.36

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Solution

The fourth proportional to 898,946.75, 1,240,492.61 and 490,967.36 is: 677,505.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,946.75 : 1,240,492.61 = 490,967.36 : x
  2. Step 2: Convert to fraction form
    898,946.75/1,240,492.61 = 490,967.36/x
  3. Step 3: Cross multiply
    898,946.75x = 1,240,492.61 × 490,967.36
  4. Step 4: Simplify right side
    898,946.75x = 609,041,373,173.91
  5. Step 5: Solve for x
    x = 609,041,373,173.91/898,946.75
  6. Step 6: Final answer
    x = 677,505.51

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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.