Home / 899,421.90-1,348,960.05-268,356.30

Finding the Fourth Proportional to 899,421.90, 1,348,960.05 and 268,356.30

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Solution

The fourth proportional to 899,421.90, 1,348,960.05 and 268,356.30 is: 402,482.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,421.90 : 1,348,960.05 = 268,356.30 : x
  2. Step 2: Convert to fraction form
    899,421.90/1,348,960.05 = 268,356.30/x
  3. Step 3: Cross multiply
    899,421.90x = 1,348,960.05 × 268,356.30
  4. Step 4: Simplify right side
    899,421.90x = 362,001,927,865.82
  5. Step 5: Solve for x
    x = 362,001,927,865.82/899,421.90
  6. Step 6: Final answer
    x = 402,482.89

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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.