Home / 761,011.66-1,047,803.61-646,062.94

Finding the Fourth Proportional to 761,011.66, 1,047,803.61 and 646,062.94

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Solution

The fourth proportional to 761,011.66, 1,047,803.61 and 646,062.94 is: 889,535.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,011.66 : 1,047,803.61 = 646,062.94 : x
  2. Step 2: Convert to fraction form
    761,011.66/1,047,803.61 = 646,062.94/x
  3. Step 3: Cross multiply
    761,011.66x = 1,047,803.61 × 646,062.94
  4. Step 4: Simplify right side
    761,011.66x = 676,947,080,819.21
  5. Step 5: Solve for x
    x = 676,947,080,819.21/761,011.66
  6. Step 6: Final answer
    x = 889,535.75

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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.