Home / 732,690.02-1,011,458.54-491,130.41

Finding the Fourth Proportional to 732,690.02, 1,011,458.54 and 491,130.41

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Solution

The fourth proportional to 732,690.02, 1,011,458.54 and 491,130.41 is: 677,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,690.02 : 1,011,458.54 = 491,130.41 : x
  2. Step 2: Convert to fraction form
    732,690.02/1,011,458.54 = 491,130.41/x
  3. Step 3: Cross multiply
    732,690.02x = 1,011,458.54 × 491,130.41
  4. Step 4: Simplify right side
    732,690.02x = 496,758,043,618.74
  5. Step 5: Solve for x
    x = 496,758,043,618.74/732,690.02
  6. Step 6: Final answer
    x = 677,992.10

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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.