Home / 915,370.02-1,263,285.17-507,599.69

Finding the Fourth Proportional to 915,370.02, 1,263,285.17 and 507,599.69

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Solution

The fourth proportional to 915,370.02, 1,263,285.17 and 507,599.69 is: 700,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,370.02 : 1,263,285.17 = 507,599.69 : x
  2. Step 2: Convert to fraction form
    915,370.02/1,263,285.17 = 507,599.69/x
  3. Step 3: Cross multiply
    915,370.02x = 1,263,285.17 × 507,599.69
  4. Step 4: Simplify right side
    915,370.02x = 641,243,151,819.17
  5. Step 5: Solve for x
    x = 641,243,151,819.17/915,370.02
  6. Step 6: Final answer
    x = 700,528.90

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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.