Home / 739,364.64-1,109,539.16-402,490.32

Finding the Fourth Proportional to 739,364.64, 1,109,539.16 and 402,490.32

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Solution

The fourth proportional to 739,364.64, 1,109,539.16 and 402,490.32 is: 604,003.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,364.64 : 1,109,539.16 = 402,490.32 : x
  2. Step 2: Convert to fraction form
    739,364.64/1,109,539.16 = 402,490.32/x
  3. Step 3: Cross multiply
    739,364.64x = 1,109,539.16 × 402,490.32
  4. Step 4: Simplify right side
    739,364.64x = 446,578,771,560.93
  5. Step 5: Solve for x
    x = 446,578,771,560.93/739,364.64
  6. Step 6: Final answer
    x = 604,003.42

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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.