Home / 759,515.04-1,048,110.03-419,971.68

Finding the Fourth Proportional to 759,515.04, 1,048,110.03 and 419,971.68

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Solution

The fourth proportional to 759,515.04, 1,048,110.03 and 419,971.68 is: 579,549.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,515.04 : 1,048,110.03 = 419,971.68 : x
  2. Step 2: Convert to fraction form
    759,515.04/1,048,110.03 = 419,971.68/x
  3. Step 3: Cross multiply
    759,515.04x = 1,048,110.03 × 419,971.68
  4. Step 4: Simplify right side
    759,515.04x = 440,176,530,123.95
  5. Step 5: Solve for x
    x = 440,176,530,123.95/759,515.04
  6. Step 6: Final answer
    x = 579,549.46

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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.