Home / 977,127.60-1,465,987.71-471,594.35

Finding the Fourth Proportional to 977,127.60, 1,465,987.71 and 471,594.35

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Solution

The fourth proportional to 977,127.60, 1,465,987.71 and 471,594.35 is: 707,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,127.60 : 1,465,987.71 = 471,594.35 : x
  2. Step 2: Convert to fraction form
    977,127.60/1,465,987.71 = 471,594.35/x
  3. Step 3: Cross multiply
    977,127.60x = 1,465,987.71 × 471,594.35
  4. Step 4: Simplify right side
    977,127.60x = 691,351,526,638.89
  5. Step 5: Solve for x
    x = 691,351,526,638.89/977,127.60
  6. Step 6: Final answer
    x = 707,534.54

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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.