Home / 915,528.76-1,263,444.86-507,647.80

Finding the Fourth Proportional to 915,528.76, 1,263,444.86 and 507,647.80

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Solution

The fourth proportional to 915,528.76, 1,263,444.86 and 507,647.80 is: 700,562.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,528.76 : 1,263,444.86 = 507,647.80 : x
  2. Step 2: Convert to fraction form
    915,528.76/1,263,444.86 = 507,647.80/x
  3. Step 3: Cross multiply
    915,528.76x = 1,263,444.86 × 507,647.80
  4. Step 4: Simplify right side
    915,528.76x = 641,385,003,600.31
  5. Step 5: Solve for x
    x = 641,385,003,600.31/915,528.76
  6. Step 6: Final answer
    x = 700,562.38

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Double scale
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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.