Home / 771,500.40-1,157,077.80-507,116.40

Finding the Fourth Proportional to 771,500.40, 1,157,077.80 and 507,116.40

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Solution

The fourth proportional to 771,500.40, 1,157,077.80 and 507,116.40 is: 760,561.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,500.40 : 1,157,077.80 = 507,116.40 : x
  2. Step 2: Convert to fraction form
    771,500.40/1,157,077.80 = 507,116.40/x
  3. Step 3: Cross multiply
    771,500.40x = 1,157,077.80 × 507,116.40
  4. Step 4: Simplify right side
    771,500.40x = 586,773,128,455.92
  5. Step 5: Solve for x
    x = 586,773,128,455.92/771,500.40
  6. Step 6: Final answer
    x = 760,561.02

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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.