Home / 963,368.78-1,445,127.89-289,397.34

Finding the Fourth Proportional to 963,368.78, 1,445,127.89 and 289,397.34

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Solution

The fourth proportional to 963,368.78, 1,445,127.89 and 289,397.34 is: 434,118.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,368.78 : 1,445,127.89 = 289,397.34 : x
  2. Step 2: Convert to fraction form
    963,368.78/1,445,127.89 = 289,397.34/x
  3. Step 3: Cross multiply
    963,368.78x = 1,445,127.89 × 289,397.34
  4. Step 4: Simplify right side
    963,368.78x = 418,216,165,878.83
  5. Step 5: Solve for x
    x = 418,216,165,878.83/963,368.78
  6. Step 6: Final answer
    x = 434,118.46

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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.