Home / 770,445.32-1,063,208.76-430,913.57

Finding the Fourth Proportional to 770,445.32, 1,063,208.76 and 430,913.57

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Solution

The fourth proportional to 770,445.32, 1,063,208.76 and 430,913.57 is: 594,657.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,445.32 : 1,063,208.76 = 430,913.57 : x
  2. Step 2: Convert to fraction form
    770,445.32/1,063,208.76 = 430,913.57/x
  3. Step 3: Cross multiply
    770,445.32x = 1,063,208.76 × 430,913.57
  4. Step 4: Simplify right side
    770,445.32x = 458,151,082,426.87
  5. Step 5: Solve for x
    x = 458,151,082,426.87/770,445.32
  6. Step 6: Final answer
    x = 594,657.49

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Double scale
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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.