Home / 830,136.80-1,244,427.60-650,122.40

Finding the Fourth Proportional to 830,136.80, 1,244,427.60 and 650,122.40

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Solution

The fourth proportional to 830,136.80, 1,244,427.60 and 650,122.40 is: 974,574.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,136.80 : 1,244,427.60 = 650,122.40 : x
  2. Step 2: Convert to fraction form
    830,136.80/1,244,427.60 = 650,122.40/x
  3. Step 3: Cross multiply
    830,136.80x = 1,244,427.60 × 650,122.40
  4. Step 4: Simplify right side
    830,136.80x = 809,030,257,938.24
  5. Step 5: Solve for x
    x = 809,030,257,938.24/830,136.80
  6. Step 6: Final answer
    x = 974,574.62

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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.