Home / 805,014.45-1,110,457.35-502,683.57

Finding the Fourth Proportional to 805,014.45, 1,110,457.35 and 502,683.57

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Solution

The fourth proportional to 805,014.45, 1,110,457.35 and 502,683.57 is: 693,414.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,014.45 : 1,110,457.35 = 502,683.57 : x
  2. Step 2: Convert to fraction form
    805,014.45/1,110,457.35 = 502,683.57/x
  3. Step 3: Cross multiply
    805,014.45x = 1,110,457.35 × 502,683.57
  4. Step 4: Simplify right side
    805,014.45x = 558,208,665,030.74
  5. Step 5: Solve for x
    x = 558,208,665,030.74/805,014.45
  6. Step 6: Final answer
    x = 693,414.47

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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.