Home / 554,058.46-764,590.29-312,341.20

Finding the Fourth Proportional to 554,058.46, 764,590.29 and 312,341.20

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Solution

The fourth proportional to 554,058.46, 764,590.29 and 312,341.20 is: 431,025.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,058.46 : 764,590.29 = 312,341.20 : x
  2. Step 2: Convert to fraction form
    554,058.46/764,590.29 = 312,341.20/x
  3. Step 3: Cross multiply
    554,058.46x = 764,590.29 × 312,341.20
  4. Step 4: Simplify right side
    554,058.46x = 238,813,048,686.95
  5. Step 5: Solve for x
    x = 238,813,048,686.95/554,058.46
  6. Step 6: Final answer
    x = 431,025.00

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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.