Home / 993,099-1,370,476.62-540,393.24

Finding the Fourth Proportional to 993,099, 1,370,476.62 and 540,393.24

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Solution

The fourth proportional to 993,099, 1,370,476.62 and 540,393.24 is: 745,742.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,099 : 1,370,476.62 = 540,393.24 : x
  2. Step 2: Convert to fraction form
    993,099/1,370,476.62 = 540,393.24/x
  3. Step 3: Cross multiply
    993,099x = 1,370,476.62 × 540,393.24
  4. Step 4: Simplify right side
    993,099x = 740,596,301,026.05
  5. Step 5: Solve for x
    x = 740,596,301,026.05/993,099
  6. Step 6: Final answer
    x = 745,742.67

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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.