Home / 882,688.86-1,218,074.76-500,707.44

Finding the Fourth Proportional to 882,688.86, 1,218,074.76 and 500,707.44

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Solution

The fourth proportional to 882,688.86, 1,218,074.76 and 500,707.44 is: 690,955.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,688.86 : 1,218,074.76 = 500,707.44 : x
  2. Step 2: Convert to fraction form
    882,688.86/1,218,074.76 = 500,707.44/x
  3. Step 3: Cross multiply
    882,688.86x = 1,218,074.76 × 500,707.44
  4. Step 4: Simplify right side
    882,688.86x = 609,899,094,808.21
  5. Step 5: Solve for x
    x = 609,899,094,808.21/882,688.86
  6. Step 6: Final answer
    x = 690,955.92

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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.