Home / 972,362.80-1,458,534.60-307,514.80

Finding the Fourth Proportional to 972,362.80, 1,458,534.60 and 307,514.80

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Solution

The fourth proportional to 972,362.80, 1,458,534.60 and 307,514.80 is: 461,269.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,362.80 : 1,458,534.60 = 307,514.80 : x
  2. Step 2: Convert to fraction form
    972,362.80/1,458,534.60 = 307,514.80/x
  3. Step 3: Cross multiply
    972,362.80x = 1,458,534.60 × 307,514.80
  4. Step 4: Simplify right side
    972,362.80x = 448,520,975,812.08
  5. Step 5: Solve for x
    x = 448,520,975,812.08/972,362.80
  6. Step 6: Final answer
    x = 461,269.16

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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.