Home / 774,011.78-1,068,100.14-429,870.02

Finding the Fourth Proportional to 774,011.78, 1,068,100.14 and 429,870.02

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Solution

The fourth proportional to 774,011.78, 1,068,100.14 and 429,870.02 is: 593,200.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,011.78 : 1,068,100.14 = 429,870.02 : x
  2. Step 2: Convert to fraction form
    774,011.78/1,068,100.14 = 429,870.02/x
  3. Step 3: Cross multiply
    774,011.78x = 1,068,100.14 × 429,870.02
  4. Step 4: Simplify right side
    774,011.78x = 459,144,228,543.80
  5. Step 5: Solve for x
    x = 459,144,228,543.80/774,011.78
  6. Step 6: Final answer
    x = 593,200.57

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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.