Home / 989,476.02-1,365,479.54-536,767.02

Finding the Fourth Proportional to 989,476.02, 1,365,479.54 and 536,767.02

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Solution

The fourth proportional to 989,476.02, 1,365,479.54 and 536,767.02 is: 740,739.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,476.02 : 1,365,479.54 = 536,767.02 : x
  2. Step 2: Convert to fraction form
    989,476.02/1,365,479.54 = 536,767.02/x
  3. Step 3: Cross multiply
    989,476.02x = 1,365,479.54 × 536,767.02
  4. Step 4: Simplify right side
    989,476.02x = 732,944,383,556.77
  5. Step 5: Solve for x
    x = 732,944,383,556.77/989,476.02
  6. Step 6: Final answer
    x = 740,739.92

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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.