Home / 670,137.05-924,923.63-398,152.60

Finding the Fourth Proportional to 670,137.05, 924,923.63 and 398,152.60

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Solution

The fourth proportional to 670,137.05, 924,923.63 and 398,152.60 is: 549,530.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,137.05 : 924,923.63 = 398,152.60 : x
  2. Step 2: Convert to fraction form
    670,137.05/924,923.63 = 398,152.60/x
  3. Step 3: Cross multiply
    670,137.05x = 924,923.63 × 398,152.60
  4. Step 4: Simplify right side
    670,137.05x = 368,260,746,769.01
  5. Step 5: Solve for x
    x = 368,260,746,769.01/670,137.05
  6. Step 6: Final answer
    x = 549,530.50

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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.