Home / 938,154.50-1,406,955.69-425,523.07

Finding the Fourth Proportional to 938,154.50, 1,406,955.69 and 425,523.07

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Solution

The fourth proportional to 938,154.50, 1,406,955.69 and 425,523.07 is: 638,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,154.50 : 1,406,955.69 = 425,523.07 : x
  2. Step 2: Convert to fraction form
    938,154.50/1,406,955.69 = 425,523.07/x
  3. Step 3: Cross multiply
    938,154.50x = 1,406,955.69 × 425,523.07
  4. Step 4: Simplify right side
    938,154.50x = 598,692,097,848.76
  5. Step 5: Solve for x
    x = 598,692,097,848.76/938,154.50
  6. Step 6: Final answer
    x = 638,159.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.