Home / 770,484.32-1,155,545.04-433,668.32

Finding the Fourth Proportional to 770,484.32, 1,155,545.04 and 433,668.32

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Solution

The fourth proportional to 770,484.32, 1,155,545.04 and 433,668.32 is: 650,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,484.32 : 1,155,545.04 = 433,668.32 : x
  2. Step 2: Convert to fraction form
    770,484.32/1,155,545.04 = 433,668.32/x
  3. Step 3: Cross multiply
    770,484.32x = 1,155,545.04 × 433,668.32
  4. Step 4: Simplify right side
    770,484.32x = 501,123,276,181.13
  5. Step 5: Solve for x
    x = 501,123,276,181.13/770,484.32
  6. Step 6: Final answer
    x = 650,400.36

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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.