Home / 725,762.87-1,001,586.93-403,478.35

Finding the Fourth Proportional to 725,762.87, 1,001,586.93 and 403,478.35

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Solution

The fourth proportional to 725,762.87, 1,001,586.93 and 403,478.35 is: 556,819.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,762.87 : 1,001,586.93 = 403,478.35 : x
  2. Step 2: Convert to fraction form
    725,762.87/1,001,586.93 = 403,478.35/x
  3. Step 3: Cross multiply
    725,762.87x = 1,001,586.93 × 403,478.35
  4. Step 4: Simplify right side
    725,762.87x = 404,118,636,890.03
  5. Step 5: Solve for x
    x = 404,118,636,890.03/725,762.87
  6. Step 6: Final answer
    x = 556,819.11

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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.