Home / 909,055.80-1,363,985.34-476,670

Finding the Fourth Proportional to 909,055.80, 1,363,985.34 and 476,670

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Solution

The fourth proportional to 909,055.80, 1,363,985.34 and 476,670 is: 715,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,055.80 : 1,363,985.34 = 476,670 : x
  2. Step 2: Convert to fraction form
    909,055.80/1,363,985.34 = 476,670/x
  3. Step 3: Cross multiply
    909,055.80x = 1,363,985.34 × 476,670
  4. Step 4: Simplify right side
    909,055.80x = 650,170,892,017.80
  5. Step 5: Solve for x
    x = 650,170,892,017.80/909,055.80
  6. Step 6: Final answer
    x = 715,215.60

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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.