Home / 914,008.12-1,261,315.80-506,101.20

Finding the Fourth Proportional to 914,008.12, 1,261,315.80 and 506,101.20

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Solution

The fourth proportional to 914,008.12, 1,261,315.80 and 506,101.20 is: 698,411.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,008.12 : 1,261,315.80 = 506,101.20 : x
  2. Step 2: Convert to fraction form
    914,008.12/1,261,315.80 = 506,101.20/x
  3. Step 3: Cross multiply
    914,008.12x = 1,261,315.80 × 506,101.20
  4. Step 4: Simplify right side
    914,008.12x = 638,353,439,958.96
  5. Step 5: Solve for x
    x = 638,353,439,958.96/914,008.12
  6. Step 6: Final answer
    x = 698,411.13

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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.