Home / 1,005,219.84-1,507,809.02-331,341.60

Finding the Fourth Proportional to 1,005,219.84, 1,507,809.02 and 331,341.60

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Solution

The fourth proportional to 1,005,219.84, 1,507,809.02 and 331,341.60 is: 497,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,219.84 : 1,507,809.02 = 331,341.60 : x
  2. Step 2: Convert to fraction form
    1,005,219.84/1,507,809.02 = 331,341.60/x
  3. Step 3: Cross multiply
    1,005,219.84x = 1,507,809.02 × 331,341.60
  4. Step 4: Simplify right side
    1,005,219.84x = 499,599,851,524.52
  5. Step 5: Solve for x
    x = 499,599,851,524.52/1,005,219.84
  6. Step 6: Final answer
    x = 497,005.56

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1.5x scale

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.