Home / 977,065.10-1,465,743.45-345,929.30

Finding the Fourth Proportional to 977,065.10, 1,465,743.45 and 345,929.30

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Solution

The fourth proportional to 977,065.10, 1,465,743.45 and 345,929.30 is: 518,945.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,065.10 : 1,465,743.45 = 345,929.30 : x
  2. Step 2: Convert to fraction form
    977,065.10/1,465,743.45 = 345,929.30/x
  3. Step 3: Cross multiply
    977,065.10x = 1,465,743.45 × 345,929.30
  4. Step 4: Simplify right side
    977,065.10x = 507,043,605,638.09
  5. Step 5: Solve for x
    x = 507,043,605,638.09/977,065.10
  6. Step 6: Final answer
    x = 518,945.57

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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.