Home / 771,036.50-1,156,632.21-265,530.89

Finding the Fourth Proportional to 771,036.50, 1,156,632.21 and 265,530.89

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Solution

The fourth proportional to 771,036.50, 1,156,632.21 and 265,530.89 is: 398,323.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,036.50 : 1,156,632.21 = 265,530.89 : x
  2. Step 2: Convert to fraction form
    771,036.50/1,156,632.21 = 265,530.89/x
  3. Step 3: Cross multiply
    771,036.50x = 1,156,632.21 × 265,530.89
  4. Step 4: Simplify right side
    771,036.50x = 307,121,574,340.81
  5. Step 5: Solve for x
    x = 307,121,574,340.81/771,036.50
  6. Step 6: Final answer
    x = 398,323.01

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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.