Home / 986,303.52-1,478,147.43-506,511.96

Finding the Fourth Proportional to 986,303.52, 1,478,147.43 and 506,511.96

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Solution

The fourth proportional to 986,303.52, 1,478,147.43 and 506,511.96 is: 759,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,303.52 : 1,478,147.43 = 506,511.96 : x
  2. Step 2: Convert to fraction form
    986,303.52/1,478,147.43 = 506,511.96/x
  3. Step 3: Cross multiply
    986,303.52x = 1,478,147.43 × 506,511.96
  4. Step 4: Simplify right side
    986,303.52x = 748,699,351,938.26
  5. Step 5: Solve for x
    x = 748,699,351,938.26/986,303.52
  6. Step 6: Final answer
    x = 759,096.30

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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.