Home / 670,242.38-924,911.07-368,434.22

Finding the Fourth Proportional to 670,242.38, 924,911.07 and 368,434.22

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Solution

The fourth proportional to 670,242.38, 924,911.07 and 368,434.22 is: 508,426.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,242.38 : 924,911.07 = 368,434.22 : x
  2. Step 2: Convert to fraction form
    670,242.38/924,911.07 = 368,434.22/x
  3. Step 3: Cross multiply
    670,242.38x = 924,911.07 × 368,434.22
  4. Step 4: Simplify right side
    670,242.38x = 340,768,888,644.82
  5. Step 5: Solve for x
    x = 340,768,888,644.82/670,242.38
  6. Step 6: Final answer
    x = 508,426.35

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1.5x scale

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.