Home / 988,348.48-1,363,920.64-535,639.52

Finding the Fourth Proportional to 988,348.48, 1,363,920.64 and 535,639.52

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Solution

The fourth proportional to 988,348.48, 1,363,920.64 and 535,639.52 is: 739,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,348.48 : 1,363,920.64 = 535,639.52 : x
  2. Step 2: Convert to fraction form
    988,348.48/1,363,920.64 = 535,639.52/x
  3. Step 3: Cross multiply
    988,348.48x = 1,363,920.64 × 535,639.52
  4. Step 4: Simplify right side
    988,348.48x = 730,569,796,927.69
  5. Step 5: Solve for x
    x = 730,569,796,927.69/988,348.48
  6. Step 6: Final answer
    x = 739,182.40

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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.