Home / 692,419.70-1,038,629.55-456,029.30

Finding the Fourth Proportional to 692,419.70, 1,038,629.55 and 456,029.30

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Solution

The fourth proportional to 692,419.70, 1,038,629.55 and 456,029.30 is: 684,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,419.70 : 1,038,629.55 = 456,029.30 : x
  2. Step 2: Convert to fraction form
    692,419.70/1,038,629.55 = 456,029.30/x
  3. Step 3: Cross multiply
    692,419.70x = 1,038,629.55 × 456,029.30
  4. Step 4: Simplify right side
    692,419.70x = 473,645,506,645.82
  5. Step 5: Solve for x
    x = 473,645,506,645.82/692,419.70
  6. Step 6: Final answer
    x = 684,043.95

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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.