Home / 915,521.64-1,263,550.60-507,714.18

Finding the Fourth Proportional to 915,521.64, 1,263,550.60 and 507,714.18

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Solution

The fourth proportional to 915,521.64, 1,263,550.60 and 507,714.18 is: 700,718.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,521.64 : 1,263,550.60 = 507,714.18 : x
  2. Step 2: Convert to fraction form
    915,521.64/1,263,550.60 = 507,714.18/x
  3. Step 3: Cross multiply
    915,521.64x = 1,263,550.60 × 507,714.18
  4. Step 4: Simplify right side
    915,521.64x = 641,522,556,767.51
  5. Step 5: Solve for x
    x = 641,522,556,767.51/915,521.64
  6. Step 6: Final answer
    x = 700,718.07

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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.