Home / 425,790.02-637,962.06-256,955.60

Finding the Fourth Proportional to 425,790.02, 637,962.06 and 256,955.60

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Solution

The fourth proportional to 425,790.02, 637,962.06 and 256,955.60 is: 384,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,790.02 : 637,962.06 = 256,955.60 : x
  2. Step 2: Convert to fraction form
    425,790.02/637,962.06 = 256,955.60/x
  3. Step 3: Cross multiply
    425,790.02x = 637,962.06 × 256,955.60
  4. Step 4: Simplify right side
    425,790.02x = 163,927,923,904.54
  5. Step 5: Solve for x
    x = 163,927,923,904.54/425,790.02
  6. Step 6: Final answer
    x = 384,997.10

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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.