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Finding the Fourth Proportional to 460,885.95, 636,069.81 and 256,970.07

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Solution

The fourth proportional to 460,885.95, 636,069.81 and 256,970.07 is: 354,645.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,885.95 : 636,069.81 = 256,970.07 : x
  2. Step 2: Convert to fraction form
    460,885.95/636,069.81 = 256,970.07/x
  3. Step 3: Cross multiply
    460,885.95x = 636,069.81 × 256,970.07
  4. Step 4: Simplify right side
    460,885.95x = 163,450,904,564.22
  5. Step 5: Solve for x
    x = 163,450,904,564.22/460,885.95
  6. Step 6: Final answer
    x = 354,645.01

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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.