Home / 913,430.34-1,260,524.58-505,532.97

Finding the Fourth Proportional to 913,430.34, 1,260,524.58 and 505,532.97

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Solution

The fourth proportional to 913,430.34, 1,260,524.58 and 505,532.97 is: 697,630.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,430.34 : 1,260,524.58 = 505,532.97 : x
  2. Step 2: Convert to fraction form
    913,430.34/1,260,524.58 = 505,532.97/x
  3. Step 3: Cross multiply
    913,430.34x = 1,260,524.58 × 505,532.97
  4. Step 4: Simplify right side
    913,430.34x = 637,236,734,685.40
  5. Step 5: Solve for x
    x = 637,236,734,685.40/913,430.34
  6. Step 6: Final answer
    x = 697,630.36

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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.