Home / 1,113.03-1,669.93-497.16

Finding the Fourth Proportional to 1,113.03, 1,669.93 and 497.16

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Solution

The fourth proportional to 1,113.03, 1,669.93 and 497.16 is: 745.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113.03 : 1,669.93 = 497.16 : x
  2. Step 2: Convert to fraction form
    1,113.03/1,669.93 = 497.16/x
  3. Step 3: Cross multiply
    1,113.03x = 1,669.93 × 497.16
  4. Step 4: Simplify right side
    1,113.03x = 830,219.91
  5. Step 5: Solve for x
    x = 830,219.91/1,113.03
  6. Step 6: Final answer
    x = 745.91

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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.