Home / 912,281.20-1,258,897.22-504,359.23

Finding the Fourth Proportional to 912,281.20, 1,258,897.22 and 504,359.23

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Solution

The fourth proportional to 912,281.20, 1,258,897.22 and 504,359.23 is: 695,987.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,281.20 : 1,258,897.22 = 504,359.23 : x
  2. Step 2: Convert to fraction form
    912,281.20/1,258,897.22 = 504,359.23/x
  3. Step 3: Cross multiply
    912,281.20x = 1,258,897.22 × 504,359.23
  4. Step 4: Simplify right side
    912,281.20x = 634,936,426,233.86
  5. Step 5: Solve for x
    x = 634,936,426,233.86/912,281.20
  6. Step 6: Final answer
    x = 695,987.63

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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.