Home / 910,003.70-1,255,831.38-502,131.81

Finding the Fourth Proportional to 910,003.70, 1,255,831.38 and 502,131.81

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Solution

The fourth proportional to 910,003.70, 1,255,831.38 and 502,131.81 is: 692,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,003.70 : 1,255,831.38 = 502,131.81 : x
  2. Step 2: Convert to fraction form
    910,003.70/1,255,831.38 = 502,131.81/x
  3. Step 3: Cross multiply
    910,003.70x = 1,255,831.38 × 502,131.81
  4. Step 4: Simplify right side
    910,003.70x = 630,592,888,289.11
  5. Step 5: Solve for x
    x = 630,592,888,289.11/910,003.70
  6. Step 6: Final answer
    x = 692,956.40

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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.