Home / 637,051.02-879,085.08-378,913.74

Finding the Fourth Proportional to 637,051.02, 879,085.08 and 378,913.74

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Solution

The fourth proportional to 637,051.02, 879,085.08 and 378,913.74 is: 522,874.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,051.02 : 879,085.08 = 378,913.74 : x
  2. Step 2: Convert to fraction form
    637,051.02/879,085.08 = 378,913.74/x
  3. Step 3: Cross multiply
    637,051.02x = 879,085.08 × 378,913.74
  4. Step 4: Simplify right side
    637,051.02x = 333,097,415,441.00
  5. Step 5: Solve for x
    x = 333,097,415,441.00/637,051.02
  6. Step 6: Final answer
    x = 522,874.00

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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.