Home / 748,111.16-1,032,377.46-408,580.76

Finding the Fourth Proportional to 748,111.16, 1,032,377.46 and 408,580.76

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Solution

The fourth proportional to 748,111.16, 1,032,377.46 and 408,580.76 is: 563,832.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,111.16 : 1,032,377.46 = 408,580.76 : x
  2. Step 2: Convert to fraction form
    748,111.16/1,032,377.46 = 408,580.76/x
  3. Step 3: Cross multiply
    748,111.16x = 1,032,377.46 × 408,580.76
  4. Step 4: Simplify right side
    748,111.16x = 421,809,567,213.67
  5. Step 5: Solve for x
    x = 421,809,567,213.67/748,111.16
  6. Step 6: Final answer
    x = 563,832.74

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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.