Home / 988,339.02-1,482,877.56-389,717.50

Finding the Fourth Proportional to 988,339.02, 1,482,877.56 and 389,717.50

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Solution

The fourth proportional to 988,339.02, 1,482,877.56 and 389,717.50 is: 584,721.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,339.02 : 1,482,877.56 = 389,717.50 : x
  2. Step 2: Convert to fraction form
    988,339.02/1,482,877.56 = 389,717.50/x
  3. Step 3: Cross multiply
    988,339.02x = 1,482,877.56 × 389,717.50
  4. Step 4: Simplify right side
    988,339.02x = 577,903,335,489.30
  5. Step 5: Solve for x
    x = 577,903,335,489.30/988,339.02
  6. Step 6: Final answer
    x = 584,721.76

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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.