Home / 758,808.12-1,047,154.86-419,273.40

Finding the Fourth Proportional to 758,808.12, 1,047,154.86 and 419,273.40

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Solution

The fourth proportional to 758,808.12, 1,047,154.86 and 419,273.40 is: 578,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,808.12 : 1,047,154.86 = 419,273.40 : x
  2. Step 2: Convert to fraction form
    758,808.12/1,047,154.86 = 419,273.40/x
  3. Step 3: Cross multiply
    758,808.12x = 1,047,154.86 × 419,273.40
  4. Step 4: Simplify right side
    758,808.12x = 439,044,178,478.72
  5. Step 5: Solve for x
    x = 439,044,178,478.72/758,808.12
  6. Step 6: Final answer
    x = 578,597.10

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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.