Home / 745,611.60-1,118,603.70-240,220.20

Finding the Fourth Proportional to 745,611.60, 1,118,603.70 and 240,220.20

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Solution

The fourth proportional to 745,611.60, 1,118,603.70 and 240,220.20 is: 360,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,611.60 : 1,118,603.70 = 240,220.20 : x
  2. Step 2: Convert to fraction form
    745,611.60/1,118,603.70 = 240,220.20/x
  3. Step 3: Cross multiply
    745,611.60x = 1,118,603.70 × 240,220.20
  4. Step 4: Simplify right side
    745,611.60x = 268,711,204,534.74
  5. Step 5: Solve for x
    x = 268,711,204,534.74/745,611.60
  6. Step 6: Final answer
    x = 360,390.32

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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.