Home / 689,873.91-1,035,478.23-497,946.21

Finding the Fourth Proportional to 689,873.91, 1,035,478.23 and 497,946.21

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Solution

The fourth proportional to 689,873.91, 1,035,478.23 and 497,946.21 is: 747,401.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,873.91 : 1,035,478.23 = 497,946.21 : x
  2. Step 2: Convert to fraction form
    689,873.91/1,035,478.23 = 497,946.21/x
  3. Step 3: Cross multiply
    689,873.91x = 1,035,478.23 × 497,946.21
  4. Step 4: Simplify right side
    689,873.91x = 515,612,460,166.01
  5. Step 5: Solve for x
    x = 515,612,460,166.01/689,873.91
  6. Step 6: Final answer
    x = 747,401.01

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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.