Home / 459,587.12-634,055.95-285,076.36

Finding the Fourth Proportional to 459,587.12, 634,055.95 and 285,076.36

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Solution

The fourth proportional to 459,587.12, 634,055.95 and 285,076.36 is: 393,297.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,587.12 : 634,055.95 = 285,076.36 : x
  2. Step 2: Convert to fraction form
    459,587.12/634,055.95 = 285,076.36/x
  3. Step 3: Cross multiply
    459,587.12x = 634,055.95 × 285,076.36
  4. Step 4: Simplify right side
    459,587.12x = 180,754,363,411.26
  5. Step 5: Solve for x
    x = 180,754,363,411.26/459,587.12
  6. Step 6: Final answer
    x = 393,297.28

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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.