Home / 963,442.37-1,445,486.16-315,048.45

Finding the Fourth Proportional to 963,442.37, 1,445,486.16 and 315,048.45

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Solution

The fourth proportional to 963,442.37, 1,445,486.16 and 315,048.45 is: 472,678.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,442.37 : 1,445,486.16 = 315,048.45 : x
  2. Step 2: Convert to fraction form
    963,442.37/1,445,486.16 = 315,048.45/x
  3. Step 3: Cross multiply
    963,442.37x = 1,445,486.16 × 315,048.45
  4. Step 4: Simplify right side
    963,442.37x = 455,398,174,204.45
  5. Step 5: Solve for x
    x = 455,398,174,204.45/963,442.37
  6. Step 6: Final answer
    x = 472,678.17

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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.