Home / 761,802.12-1,051,264.15-417,626.29

Finding the Fourth Proportional to 761,802.12, 1,051,264.15 and 417,626.29

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Solution

The fourth proportional to 761,802.12, 1,051,264.15 and 417,626.29 is: 576,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,802.12 : 1,051,264.15 = 417,626.29 : x
  2. Step 2: Convert to fraction form
    761,802.12/1,051,264.15 = 417,626.29/x
  3. Step 3: Cross multiply
    761,802.12x = 1,051,264.15 × 417,626.29
  4. Step 4: Simplify right side
    761,802.12x = 439,035,544,686.37
  5. Step 5: Solve for x
    x = 439,035,544,686.37/761,802.12
  6. Step 6: Final answer
    x = 576,311.79

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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.