Home / 747,291.54-1,031,285.12-425,048.07

Finding the Fourth Proportional to 747,291.54, 1,031,285.12 and 425,048.07

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Solution

The fourth proportional to 747,291.54, 1,031,285.12 and 425,048.07 is: 586,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,291.54 : 1,031,285.12 = 425,048.07 : x
  2. Step 2: Convert to fraction form
    747,291.54/1,031,285.12 = 425,048.07/x
  3. Step 3: Cross multiply
    747,291.54x = 1,031,285.12 × 425,048.07
  4. Step 4: Simplify right side
    747,291.54x = 438,345,747,750.48
  5. Step 5: Solve for x
    x = 438,345,747,750.48/747,291.54
  6. Step 6: Final answer
    x = 586,579.30

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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.