Home / 761,810.57-1,051,275.80-417,634.71

Finding the Fourth Proportional to 761,810.57, 1,051,275.80 and 417,634.71

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Solution

The fourth proportional to 761,810.57, 1,051,275.80 and 417,634.71 is: 576,323.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,810.57 : 1,051,275.80 = 417,634.71 : x
  2. Step 2: Convert to fraction form
    761,810.57/1,051,275.80 = 417,634.71/x
  3. Step 3: Cross multiply
    761,810.57x = 1,051,275.80 × 417,634.71
  4. Step 4: Simplify right side
    761,810.57x = 439,049,261,774.84
  5. Step 5: Solve for x
    x = 439,049,261,774.84/761,810.57
  6. Step 6: Final answer
    x = 576,323.41

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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.