Home / 670,029.32-924,719.08-398,099.44

Finding the Fourth Proportional to 670,029.32, 924,719.08 and 398,099.44

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Solution

The fourth proportional to 670,029.32, 924,719.08 and 398,099.44 is: 549,423.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,029.32 : 924,719.08 = 398,099.44 : x
  2. Step 2: Convert to fraction form
    670,029.32/924,719.08 = 398,099.44/x
  3. Step 3: Cross multiply
    670,029.32x = 924,719.08 × 398,099.44
  4. Step 4: Simplify right side
    670,029.32x = 368,130,147,905.32
  5. Step 5: Solve for x
    x = 368,130,147,905.32/670,029.32
  6. Step 6: Final answer
    x = 549,423.94

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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.