Home / 738,985.12-1,019,829.72-466,953.75

Finding the Fourth Proportional to 738,985.12, 1,019,829.72 and 466,953.75

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Solution

The fourth proportional to 738,985.12, 1,019,829.72 and 466,953.75 is: 644,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,985.12 : 1,019,829.72 = 466,953.75 : x
  2. Step 2: Convert to fraction form
    738,985.12/1,019,829.72 = 466,953.75/x
  3. Step 3: Cross multiply
    738,985.12x = 1,019,829.72 × 466,953.75
  4. Step 4: Simplify right side
    738,985.12x = 476,213,313,866.53
  5. Step 5: Solve for x
    x = 476,213,313,866.53/738,985.12
  6. Step 6: Final answer
    x = 644,415.30

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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.