Home / 889,830.83-1,228,054.47-507,915.02

Finding the Fourth Proportional to 889,830.83, 1,228,054.47 and 507,915.02

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Solution

The fourth proportional to 889,830.83, 1,228,054.47 and 507,915.02 is: 700,972.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,830.83 : 1,228,054.47 = 507,915.02 : x
  2. Step 2: Convert to fraction form
    889,830.83/1,228,054.47 = 507,915.02/x
  3. Step 3: Cross multiply
    889,830.83x = 1,228,054.47 × 507,915.02
  4. Step 4: Simplify right side
    889,830.83x = 623,747,311,856.59
  5. Step 5: Solve for x
    x = 623,747,311,856.59/889,830.83
  6. Step 6: Final answer
    x = 700,972.91

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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.