Home / 771,504.40-1,157,083.80-507,120.40

Finding the Fourth Proportional to 771,504.40, 1,157,083.80 and 507,120.40

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Solution

The fourth proportional to 771,504.40, 1,157,083.80 and 507,120.40 is: 760,567.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,504.40 : 1,157,083.80 = 507,120.40 : x
  2. Step 2: Convert to fraction form
    771,504.40/1,157,083.80 = 507,120.40/x
  3. Step 3: Cross multiply
    771,504.40x = 1,157,083.80 × 507,120.40
  4. Step 4: Simplify right side
    771,504.40x = 586,780,799,489.52
  5. Step 5: Solve for x
    x = 586,780,799,489.52/771,504.40
  6. Step 6: Final answer
    x = 760,567.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.