Home / 980,574.32-1,470,019.10-340,794.95

Finding the Fourth Proportional to 980,574.32, 1,470,019.10 and 340,794.95

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Solution

The fourth proportional to 980,574.32, 1,470,019.10 and 340,794.95 is: 510,899.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,574.32 : 1,470,019.10 = 340,794.95 : x
  2. Step 2: Convert to fraction form
    980,574.32/1,470,019.10 = 340,794.95/x
  3. Step 3: Cross multiply
    980,574.32x = 1,470,019.10 × 340,794.95
  4. Step 4: Simplify right side
    980,574.32x = 500,975,076,629.48
  5. Step 5: Solve for x
    x = 500,975,076,629.48/980,574.32
  6. Step 6: Final answer
    x = 510,899.65

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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.