Home / 758,953.62-1,047,254.78-487,389.35

Finding the Fourth Proportional to 758,953.62, 1,047,254.78 and 487,389.35

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Solution

The fourth proportional to 758,953.62, 1,047,254.78 and 487,389.35 is: 672,532.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,953.62 : 1,047,254.78 = 487,389.35 : x
  2. Step 2: Convert to fraction form
    758,953.62/1,047,254.78 = 487,389.35/x
  3. Step 3: Cross multiply
    758,953.62x = 1,047,254.78 × 487,389.35
  4. Step 4: Simplify right side
    758,953.62x = 510,420,831,030.62
  5. Step 5: Solve for x
    x = 510,420,831,030.62/758,953.62
  6. Step 6: Final answer
    x = 672,532.31

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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.