Home / 988,278.51-1,363,824.23-535,569.51

Finding the Fourth Proportional to 988,278.51, 1,363,824.23 and 535,569.51

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Solution

The fourth proportional to 988,278.51, 1,363,824.23 and 535,569.51 is: 739,085.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,278.51 : 1,363,824.23 = 535,569.51 : x
  2. Step 2: Convert to fraction form
    988,278.51/1,363,824.23 = 535,569.51/x
  3. Step 3: Cross multiply
    988,278.51x = 1,363,824.23 × 535,569.51
  4. Step 4: Simplify right side
    988,278.51x = 730,422,671,909.38
  5. Step 5: Solve for x
    x = 730,422,671,909.38/988,278.51
  6. Step 6: Final answer
    x = 739,085.86

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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.