Home / 771,508.90-1,157,090.55-507,124.90

Finding the Fourth Proportional to 771,508.90, 1,157,090.55 and 507,124.90

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Solution

The fourth proportional to 771,508.90, 1,157,090.55 and 507,124.90 is: 760,573.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,508.90 : 1,157,090.55 = 507,124.90 : x
  2. Step 2: Convert to fraction form
    771,508.90/1,157,090.55 = 507,124.90/x
  3. Step 3: Cross multiply
    771,508.90x = 1,157,090.55 × 507,124.90
  4. Step 4: Simplify right side
    771,508.90x = 586,789,429,459.70
  5. Step 5: Solve for x
    x = 586,789,429,459.70/771,508.90
  6. Step 6: Final answer
    x = 760,573.77

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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.