Home / 915,527.25-1,263,442.82-507,646.31

Finding the Fourth Proportional to 915,527.25, 1,263,442.82 and 507,646.31

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Solution

The fourth proportional to 915,527.25, 1,263,442.82 and 507,646.31 is: 700,560.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,527.25 : 1,263,442.82 = 507,646.31 : x
  2. Step 2: Convert to fraction form
    915,527.25/1,263,442.82 = 507,646.31/x
  3. Step 3: Cross multiply
    915,527.25x = 1,263,442.82 × 507,646.31
  4. Step 4: Simplify right side
    915,527.25x = 641,382,076,613.55
  5. Step 5: Solve for x
    x = 641,382,076,613.55/915,527.25
  6. Step 6: Final answer
    x = 700,560.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.