Home / 692,048.18-955,038.93-405,649.46

Finding the Fourth Proportional to 692,048.18, 955,038.93 and 405,649.46

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Solution

The fourth proportional to 692,048.18, 955,038.93 and 405,649.46 is: 559,803.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,048.18 : 955,038.93 = 405,649.46 : x
  2. Step 2: Convert to fraction form
    692,048.18/955,038.93 = 405,649.46/x
  3. Step 3: Cross multiply
    692,048.18x = 955,038.93 × 405,649.46
  4. Step 4: Simplify right side
    692,048.18x = 387,411,026,233.48
  5. Step 5: Solve for x
    x = 387,411,026,233.48/692,048.18
  6. Step 6: Final answer
    x = 559,803.55

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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.