Home / 1,020,454.80-1,530,903.60-310,464.38

Finding the Fourth Proportional to 1,020,454.80, 1,530,903.60 and 310,464.38

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Solution

The fourth proportional to 1,020,454.80, 1,530,903.60 and 310,464.38 is: 465,763.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,454.80 : 1,530,903.60 = 310,464.38 : x
  2. Step 2: Convert to fraction form
    1,020,454.80/1,530,903.60 = 310,464.38/x
  3. Step 3: Cross multiply
    1,020,454.80x = 1,530,903.60 × 310,464.38
  4. Step 4: Simplify right side
    1,020,454.80x = 475,291,029,359.25
  5. Step 5: Solve for x
    x = 475,291,029,359.25/1,020,454.80
  6. Step 6: Final answer
    x = 465,763.92

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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.