Home / 779,700.20-1,076,245.76-457,292.64

Finding the Fourth Proportional to 779,700.20, 1,076,245.76 and 457,292.64

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Solution

The fourth proportional to 779,700.20, 1,076,245.76 and 457,292.64 is: 631,216.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,700.20 : 1,076,245.76 = 457,292.64 : x
  2. Step 2: Convert to fraction form
    779,700.20/1,076,245.76 = 457,292.64/x
  3. Step 3: Cross multiply
    779,700.20x = 1,076,245.76 × 457,292.64
  4. Step 4: Simplify right side
    779,700.20x = 492,159,264,879.21
  5. Step 5: Solve for x
    x = 492,159,264,879.21/779,700.20
  6. Step 6: Final answer
    x = 631,216.03

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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.