Home / 462,360.30-638,003.40-258,411.62

Finding the Fourth Proportional to 462,360.30, 638,003.40 and 258,411.62

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Solution

The fourth proportional to 462,360.30, 638,003.40 and 258,411.62 is: 356,577.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,360.30 : 638,003.40 = 258,411.62 : x
  2. Step 2: Convert to fraction form
    462,360.30/638,003.40 = 258,411.62/x
  3. Step 3: Cross multiply
    462,360.30x = 638,003.40 × 258,411.62
  4. Step 4: Simplify right side
    462,360.30x = 164,867,492,159.51
  5. Step 5: Solve for x
    x = 164,867,492,159.51/462,360.30
  6. Step 6: Final answer
    x = 356,577.96

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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.