Home / 684,094.17-1,026,307.34-210,779.51

Finding the Fourth Proportional to 684,094.17, 1,026,307.34 and 210,779.51

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Solution

The fourth proportional to 684,094.17, 1,026,307.34 and 210,779.51 is: 316,220.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,094.17 : 1,026,307.34 = 210,779.51 : x
  2. Step 2: Convert to fraction form
    684,094.17/1,026,307.34 = 210,779.51/x
  3. Step 3: Cross multiply
    684,094.17x = 1,026,307.34 × 210,779.51
  4. Step 4: Simplify right side
    684,094.17x = 216,324,557,180.71
  5. Step 5: Solve for x
    x = 216,324,557,180.71/684,094.17
  6. Step 6: Final answer
    x = 316,220.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.