Home / 830,192.40-1,245,288.60-410,288.40

Finding the Fourth Proportional to 830,192.40, 1,245,288.60 and 410,288.40

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Solution

The fourth proportional to 830,192.40, 1,245,288.60 and 410,288.40 is: 615,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,192.40 : 1,245,288.60 = 410,288.40 : x
  2. Step 2: Convert to fraction form
    830,192.40/1,245,288.60 = 410,288.40/x
  3. Step 3: Cross multiply
    830,192.40x = 1,245,288.60 × 410,288.40
  4. Step 4: Simplify right side
    830,192.40x = 510,927,467,232.24
  5. Step 5: Solve for x
    x = 510,927,467,232.24/830,192.40
  6. Step 6: Final answer
    x = 615,432.60

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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.