Home / 779,921.28-1,076,364-473,927.04

Finding the Fourth Proportional to 779,921.28, 1,076,364 and 473,927.04

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Solution

The fourth proportional to 779,921.28, 1,076,364 and 473,927.04 is: 654,063.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,921.28 : 1,076,364 = 473,927.04 : x
  2. Step 2: Convert to fraction form
    779,921.28/1,076,364 = 473,927.04/x
  3. Step 3: Cross multiply
    779,921.28x = 1,076,364 × 473,927.04
  4. Step 4: Simplify right side
    779,921.28x = 510,118,004,482.56
  5. Step 5: Solve for x
    x = 510,118,004,482.56/779,921.28
  6. Step 6: Final answer
    x = 654,063.45

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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.