Home / 779,903.34-1,076,273.73-457,618.82

Finding the Fourth Proportional to 779,903.34, 1,076,273.73 and 457,618.82

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Solution

The fourth proportional to 779,903.34, 1,076,273.73 and 457,618.82 is: 631,518.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,903.34 : 1,076,273.73 = 457,618.82 : x
  2. Step 2: Convert to fraction form
    779,903.34/1,076,273.73 = 457,618.82/x
  3. Step 3: Cross multiply
    779,903.34x = 1,076,273.73 × 457,618.82
  4. Step 4: Simplify right side
    779,903.34x = 492,523,108,938.23
  5. Step 5: Solve for x
    x = 492,523,108,938.23/779,903.34
  6. Step 6: Final answer
    x = 631,518.15

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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.