Home / 985,258.06-1,478,550.36-345,567.74

Finding the Fourth Proportional to 985,258.06, 1,478,550.36 and 345,567.74

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Solution

The fourth proportional to 985,258.06, 1,478,550.36 and 345,567.74 is: 518,584.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,258.06 : 1,478,550.36 = 345,567.74 : x
  2. Step 2: Convert to fraction form
    985,258.06/1,478,550.36 = 345,567.74/x
  3. Step 3: Cross multiply
    985,258.06x = 1,478,550.36 × 345,567.74
  4. Step 4: Simplify right side
    985,258.06x = 510,939,298,340.70
  5. Step 5: Solve for x
    x = 510,939,298,340.70/985,258.06
  6. Step 6: Final answer
    x = 518,584.23

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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.