Home / 915,210.24-1,262,857.54-507,311.96

Finding the Fourth Proportional to 915,210.24, 1,262,857.54 and 507,311.96

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Solution

The fourth proportional to 915,210.24, 1,262,857.54 and 507,311.96 is: 700,017.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,210.24 : 1,262,857.54 = 507,311.96 : x
  2. Step 2: Convert to fraction form
    915,210.24/1,262,857.54 = 507,311.96/x
  3. Step 3: Cross multiply
    915,210.24x = 1,262,857.54 × 507,311.96
  4. Step 4: Simplify right side
    915,210.24x = 640,662,733,818.18
  5. Step 5: Solve for x
    x = 640,662,733,818.18/915,210.24
  6. Step 6: Final answer
    x = 700,017.01

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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.