Home / 758,872.32-1,047,152.64-419,294.08

Finding the Fourth Proportional to 758,872.32, 1,047,152.64 and 419,294.08

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Solution

The fourth proportional to 758,872.32, 1,047,152.64 and 419,294.08 is: 578,575.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,872.32 : 1,047,152.64 = 419,294.08 : x
  2. Step 2: Convert to fraction form
    758,872.32/1,047,152.64 = 419,294.08/x
  3. Step 3: Cross multiply
    758,872.32x = 1,047,152.64 × 419,294.08
  4. Step 4: Simplify right side
    758,872.32x = 439,064,902,808.37
  5. Step 5: Solve for x
    x = 439,064,902,808.37/758,872.32
  6. Step 6: Final answer
    x = 578,575.46

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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.