Home / 748,110.16-1,032,376.08-408,579.76

Finding the Fourth Proportional to 748,110.16, 1,032,376.08 and 408,579.76

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Solution

The fourth proportional to 748,110.16, 1,032,376.08 and 408,579.76 is: 563,831.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,110.16 : 1,032,376.08 = 408,579.76 : x
  2. Step 2: Convert to fraction form
    748,110.16/1,032,376.08 = 408,579.76/x
  3. Step 3: Cross multiply
    748,110.16x = 1,032,376.08 × 408,579.76
  4. Step 4: Simplify right side
    748,110.16x = 421,807,970,996.14
  5. Step 5: Solve for x
    x = 421,807,970,996.14/748,110.16
  6. Step 6: Final answer
    x = 563,831.36

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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.