Home / 673,389.25-929,436.73-387,075.71

Finding the Fourth Proportional to 673,389.25, 929,436.73 and 387,075.71

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Solution

The fourth proportional to 673,389.25, 929,436.73 and 387,075.71 is: 534,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,389.25 : 929,436.73 = 387,075.71 : x
  2. Step 2: Convert to fraction form
    673,389.25/929,436.73 = 387,075.71/x
  3. Step 3: Cross multiply
    673,389.25x = 929,436.73 × 387,075.71
  4. Step 4: Simplify right side
    673,389.25x = 359,762,383,520.73
  5. Step 5: Solve for x
    x = 359,762,383,520.73/673,389.25
  6. Step 6: Final answer
    x = 534,256.20

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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.