Home / 747,849.74-1,031,996.77-425,529.68

Finding the Fourth Proportional to 747,849.74, 1,031,996.77 and 425,529.68

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Solution

The fourth proportional to 747,849.74, 1,031,996.77 and 425,529.68 is: 587,210.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,849.74 : 1,031,996.77 = 425,529.68 : x
  2. Step 2: Convert to fraction form
    747,849.74/1,031,996.77 = 425,529.68/x
  3. Step 3: Cross multiply
    747,849.74x = 1,031,996.77 × 425,529.68
  4. Step 4: Simplify right side
    747,849.74x = 439,145,249,075.33
  5. Step 5: Solve for x
    x = 439,145,249,075.33/747,849.74
  6. Step 6: Final answer
    x = 587,210.54

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Double scale
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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.