Home / 914,051.15-1,370,263.64-433,982.78

Finding the Fourth Proportional to 914,051.15, 1,370,263.64 and 433,982.78

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Solution

The fourth proportional to 914,051.15, 1,370,263.64 and 433,982.78 is: 650,588.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,051.15 : 1,370,263.64 = 433,982.78 : x
  2. Step 2: Convert to fraction form
    914,051.15/1,370,263.64 = 433,982.78/x
  3. Step 3: Cross multiply
    914,051.15x = 1,370,263.64 × 433,982.78
  4. Step 4: Simplify right side
    914,051.15x = 594,670,814,798.89
  5. Step 5: Solve for x
    x = 594,670,814,798.89/914,051.15
  6. Step 6: Final answer
    x = 650,588.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.