Home / 993,102-1,370,480.76-540,396.24

Finding the Fourth Proportional to 993,102, 1,370,480.76 and 540,396.24

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Solution

The fourth proportional to 993,102, 1,370,480.76 and 540,396.24 is: 745,746.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,102 : 1,370,480.76 = 540,396.24 : x
  2. Step 2: Convert to fraction form
    993,102/1,370,480.76 = 540,396.24/x
  3. Step 3: Cross multiply
    993,102x = 1,370,480.76 × 540,396.24
  4. Step 4: Simplify right side
    993,102x = 740,602,649,696.34
  5. Step 5: Solve for x
    x = 740,602,649,696.34/993,102
  6. Step 6: Final answer
    x = 745,746.81

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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.