Home / 877,320.54-1,210,702.50-474,912.54

Finding the Fourth Proportional to 877,320.54, 1,210,702.50 and 474,912.54

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Solution

The fourth proportional to 877,320.54, 1,210,702.50 and 474,912.54 is: 655,379.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,320.54 : 1,210,702.50 = 474,912.54 : x
  2. Step 2: Convert to fraction form
    877,320.54/1,210,702.50 = 474,912.54/x
  3. Step 3: Cross multiply
    877,320.54x = 1,210,702.50 × 474,912.54
  4. Step 4: Simplify right side
    877,320.54x = 574,977,799,459.35
  5. Step 5: Solve for x
    x = 574,977,799,459.35/877,320.54
  6. Step 6: Final answer
    x = 655,379.39

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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.