Home / 988,023.63-1,363,454.85-558,294.48

Finding the Fourth Proportional to 988,023.63, 1,363,454.85 and 558,294.48

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Solution

The fourth proportional to 988,023.63, 1,363,454.85 and 558,294.48 is: 770,436.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,023.63 : 1,363,454.85 = 558,294.48 : x
  2. Step 2: Convert to fraction form
    988,023.63/1,363,454.85 = 558,294.48/x
  3. Step 3: Cross multiply
    988,023.63x = 1,363,454.85 × 558,294.48
  4. Step 4: Simplify right side
    988,023.63x = 761,209,316,484.23
  5. Step 5: Solve for x
    x = 761,209,316,484.23/988,023.63
  6. Step 6: Final answer
    x = 770,436.35

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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.