Home / 578,317.90-797,518.83-450,947.02

Finding the Fourth Proportional to 578,317.90, 797,518.83 and 450,947.02

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Solution

The fourth proportional to 578,317.90, 797,518.83 and 450,947.02 is: 621,870.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,317.90 : 797,518.83 = 450,947.02 : x
  2. Step 2: Convert to fraction form
    578,317.90/797,518.83 = 450,947.02/x
  3. Step 3: Cross multiply
    578,317.90x = 797,518.83 × 450,947.02
  4. Step 4: Simplify right side
    578,317.90x = 359,638,739,782.39
  5. Step 5: Solve for x
    x = 359,638,739,782.39/578,317.90
  6. Step 6: Final answer
    x = 621,870.32

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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.