Home / 835,455.88-1,153,528.26-513,597.48

Finding the Fourth Proportional to 835,455.88, 1,153,528.26 and 513,597.48

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Solution

The fourth proportional to 835,455.88, 1,153,528.26 and 513,597.48 is: 709,132.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,455.88 : 1,153,528.26 = 513,597.48 : x
  2. Step 2: Convert to fraction form
    835,455.88/1,153,528.26 = 513,597.48/x
  3. Step 3: Cross multiply
    835,455.88x = 1,153,528.26 × 513,597.48
  4. Step 4: Simplify right side
    835,455.88x = 592,449,207,444.79
  5. Step 5: Solve for x
    x = 592,449,207,444.79/835,455.88
  6. Step 6: Final answer
    x = 709,132.85

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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.