Home / 977,050.10-1,465,720.95-345,914.30

Finding the Fourth Proportional to 977,050.10, 1,465,720.95 and 345,914.30

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Solution

The fourth proportional to 977,050.10, 1,465,720.95 and 345,914.30 is: 518,923.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,050.10 : 1,465,720.95 = 345,914.30 : x
  2. Step 2: Convert to fraction form
    977,050.10/1,465,720.95 = 345,914.30/x
  3. Step 3: Cross multiply
    977,050.10x = 1,465,720.95 × 345,914.30
  4. Step 4: Simplify right side
    977,050.10x = 507,013,836,414.59
  5. Step 5: Solve for x
    x = 507,013,836,414.59/977,050.10
  6. Step 6: Final answer
    x = 518,923.07

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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.