Home / 977,071.89-1,465,746.95-303,211.42

Finding the Fourth Proportional to 977,071.89, 1,465,746.95 and 303,211.42

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Solution

The fourth proportional to 977,071.89, 1,465,746.95 and 303,211.42 is: 454,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,071.89 : 1,465,746.95 = 303,211.42 : x
  2. Step 2: Convert to fraction form
    977,071.89/1,465,746.95 = 303,211.42/x
  3. Step 3: Cross multiply
    977,071.89x = 1,465,746.95 × 303,211.42
  4. Step 4: Simplify right side
    977,071.89x = 444,431,214,070.17
  5. Step 5: Solve for x
    x = 444,431,214,070.17/977,071.89
  6. Step 6: Final answer
    x = 454,860.30

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1.5x scale

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.