Home / 761,866.02-1,051,386.98-417,733.37

Finding the Fourth Proportional to 761,866.02, 1,051,386.98 and 417,733.37

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Solution

The fourth proportional to 761,866.02, 1,051,386.98 and 417,733.37 is: 576,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,866.02 : 1,051,386.98 = 417,733.37 : x
  2. Step 2: Convert to fraction form
    761,866.02/1,051,386.98 = 417,733.37/x
  3. Step 3: Cross multiply
    761,866.02x = 1,051,386.98 × 417,733.37
  4. Step 4: Simplify right side
    761,866.02x = 439,199,418,983.92
  5. Step 5: Solve for x
    x = 439,199,418,983.92/761,866.02
  6. Step 6: Final answer
    x = 576,478.55

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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.