Home / 774,111.42-1,068,237.40-429,969.66

Finding the Fourth Proportional to 774,111.42, 1,068,237.40 and 429,969.66

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Solution

The fourth proportional to 774,111.42, 1,068,237.40 and 429,969.66 is: 593,337.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,111.42 : 1,068,237.40 = 429,969.66 : x
  2. Step 2: Convert to fraction form
    774,111.42/1,068,237.40 = 429,969.66/x
  3. Step 3: Cross multiply
    774,111.42x = 1,068,237.40 × 429,969.66
  4. Step 4: Simplify right side
    774,111.42x = 459,309,671,677.28
  5. Step 5: Solve for x
    x = 459,309,671,677.28/774,111.42
  6. Step 6: Final answer
    x = 593,337.94

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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.