Home / 761,012.66-1,047,804.99-646,063.94

Finding the Fourth Proportional to 761,012.66, 1,047,804.99 and 646,063.94

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Solution

The fourth proportional to 761,012.66, 1,047,804.99 and 646,063.94 is: 889,537.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,012.66 : 1,047,804.99 = 646,063.94 : x
  2. Step 2: Convert to fraction form
    761,012.66/1,047,804.99 = 646,063.94/x
  3. Step 3: Cross multiply
    761,012.66x = 1,047,804.99 × 646,063.94
  4. Step 4: Simplify right side
    761,012.66x = 676,949,020,191.06
  5. Step 5: Solve for x
    x = 676,949,020,191.06/761,012.66
  6. Step 6: Final answer
    x = 889,537.13

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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.