Home / 566,460.59-781,782.07-318,143.25

Finding the Fourth Proportional to 566,460.59, 781,782.07 and 318,143.25

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Solution

The fourth proportional to 566,460.59, 781,782.07 and 318,143.25 is: 439,075.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,460.59 : 781,782.07 = 318,143.25 : x
  2. Step 2: Convert to fraction form
    566,460.59/781,782.07 = 318,143.25/x
  3. Step 3: Cross multiply
    566,460.59x = 781,782.07 × 318,143.25
  4. Step 4: Simplify right side
    566,460.59x = 248,718,687,746.17
  5. Step 5: Solve for x
    x = 248,718,687,746.17/566,460.59
  6. Step 6: Final answer
    x = 439,075.01

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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.