Home / 908,808.48-1,254,210.48-500,909.76

Finding the Fourth Proportional to 908,808.48, 1,254,210.48 and 500,909.76

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Solution

The fourth proportional to 908,808.48, 1,254,210.48 and 500,909.76 is: 691,285.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,808.48 : 1,254,210.48 = 500,909.76 : x
  2. Step 2: Convert to fraction form
    908,808.48/1,254,210.48 = 500,909.76/x
  3. Step 3: Cross multiply
    908,808.48x = 1,254,210.48 × 500,909.76
  4. Step 4: Simplify right side
    908,808.48x = 628,246,270,526.29
  5. Step 5: Solve for x
    x = 628,246,270,526.29/908,808.48
  6. Step 6: Final answer
    x = 691,285.66

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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.