Home / 670,135.93-924,922.09-398,151.46

Finding the Fourth Proportional to 670,135.93, 924,922.09 and 398,151.46

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Solution

The fourth proportional to 670,135.93, 924,922.09 and 398,151.46 is: 549,528.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,135.93 : 924,922.09 = 398,151.46 : x
  2. Step 2: Convert to fraction form
    670,135.93/924,922.09 = 398,151.46/x
  3. Step 3: Cross multiply
    670,135.93x = 924,922.09 × 398,151.46
  4. Step 4: Simplify right side
    670,135.93x = 368,259,082,173.59
  5. Step 5: Solve for x
    x = 368,259,082,173.59/670,135.93
  6. Step 6: Final answer
    x = 549,528.93

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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.