Home / 770,465.86-1,063,185.15-430,868.50

Finding the Fourth Proportional to 770,465.86, 1,063,185.15 and 430,868.50

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Solution

The fourth proportional to 770,465.86, 1,063,185.15 and 430,868.50 is: 594,566.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,465.86 : 1,063,185.15 = 430,868.50 : x
  2. Step 2: Convert to fraction form
    770,465.86/1,063,185.15 = 430,868.50/x
  3. Step 3: Cross multiply
    770,465.86x = 1,063,185.15 × 430,868.50
  4. Step 4: Simplify right side
    770,465.86x = 458,092,990,802.78
  5. Step 5: Solve for x
    x = 458,092,990,802.78/770,465.86
  6. Step 6: Final answer
    x = 594,566.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.