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Finding the Fourth Proportional to 595,846.40, 893,769.60 and 490,870.40

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Solution

The fourth proportional to 595,846.40, 893,769.60 and 490,870.40 is: 736,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,846.40 : 893,769.60 = 490,870.40 : x
  2. Step 2: Convert to fraction form
    595,846.40/893,769.60 = 490,870.40/x
  3. Step 3: Cross multiply
    595,846.40x = 893,769.60 × 490,870.40
  4. Step 4: Simplify right side
    595,846.40x = 438,725,041,059.84
  5. Step 5: Solve for x
    x = 438,725,041,059.84/595,846.40
  6. Step 6: Final answer
    x = 736,305.60

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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.