Home / 715,511.10-1,071,495.14-525,520.92

Finding the Fourth Proportional to 715,511.10, 1,071,495.14 and 525,520.92

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Solution

The fourth proportional to 715,511.10, 1,071,495.14 and 525,520.92 is: 786,980.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,511.10 : 1,071,495.14 = 525,520.92 : x
  2. Step 2: Convert to fraction form
    715,511.10/1,071,495.14 = 525,520.92/x
  3. Step 3: Cross multiply
    715,511.10x = 1,071,495.14 × 525,520.92
  4. Step 4: Simplify right side
    715,511.10x = 563,093,109,120.72
  5. Step 5: Solve for x
    x = 563,093,109,120.72/715,511.10
  6. Step 6: Final answer
    x = 786,980.26

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1.5x scale

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.