Home / 761,641.72-1,135,653.30-740,716.23

Finding the Fourth Proportional to 761,641.72, 1,135,653.30 and 740,716.23

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Solution

The fourth proportional to 761,641.72, 1,135,653.30 and 740,716.23 is: 1,104,452.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,641.72 : 1,135,653.30 = 740,716.23 : x
  2. Step 2: Convert to fraction form
    761,641.72/1,135,653.30 = 740,716.23/x
  3. Step 3: Cross multiply
    761,641.72x = 1,135,653.30 × 740,716.23
  4. Step 4: Simplify right side
    761,641.72x = 841,196,830,916.97
  5. Step 5: Solve for x
    x = 841,196,830,916.97/761,641.72
  6. Step 6: Final answer
    x = 1,104,452.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.