Home / 813,808.18-1,220,462.96-562,702.30

Finding the Fourth Proportional to 813,808.18, 1,220,462.96 and 562,702.30

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Solution

The fourth proportional to 813,808.18, 1,220,462.96 and 562,702.30 is: 843,881.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,808.18 : 1,220,462.96 = 562,702.30 : x
  2. Step 2: Convert to fraction form
    813,808.18/1,220,462.96 = 562,702.30/x
  3. Step 3: Cross multiply
    813,808.18x = 1,220,462.96 × 562,702.30
  4. Step 4: Simplify right side
    813,808.18x = 686,757,314,656.81
  5. Step 5: Solve for x
    x = 686,757,314,656.81/813,808.18
  6. Step 6: Final answer
    x = 843,881.07

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1.5x scale

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.