Home / 459,511.58-634,120.35-258,307.58

Finding the Fourth Proportional to 459,511.58, 634,120.35 and 258,307.58

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Solution

The fourth proportional to 459,511.58, 634,120.35 and 258,307.58 is: 356,461.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,511.58 : 634,120.35 = 258,307.58 : x
  2. Step 2: Convert to fraction form
    459,511.58/634,120.35 = 258,307.58/x
  3. Step 3: Cross multiply
    459,511.58x = 634,120.35 × 258,307.58
  4. Step 4: Simplify right side
    459,511.58x = 163,798,093,653.90
  5. Step 5: Solve for x
    x = 163,798,093,653.90/459,511.58
  6. Step 6: Final answer
    x = 356,461.29

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1.5x scale

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.