Home / 906,368.81-1,250,762.51-498,470.22

Finding the Fourth Proportional to 906,368.81, 1,250,762.51 and 498,470.22

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Solution

The fourth proportional to 906,368.81, 1,250,762.51 and 498,470.22 is: 687,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,368.81 : 1,250,762.51 = 498,470.22 : x
  2. Step 2: Convert to fraction form
    906,368.81/1,250,762.51 = 498,470.22/x
  3. Step 3: Cross multiply
    906,368.81x = 1,250,762.51 × 498,470.22
  4. Step 4: Simplify right side
    906,368.81x = 623,467,864,773.63
  5. Step 5: Solve for x
    x = 623,467,864,773.63/906,368.81
  6. Step 6: Final answer
    x = 687,874.36

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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.