Home / 977,221.40-1,465,832.10-346,053.20

Finding the Fourth Proportional to 977,221.40, 1,465,832.10 and 346,053.20

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Solution

The fourth proportional to 977,221.40, 1,465,832.10 and 346,053.20 is: 519,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,221.40 : 1,465,832.10 = 346,053.20 : x
  2. Step 2: Convert to fraction form
    977,221.40/1,465,832.10 = 346,053.20/x
  3. Step 3: Cross multiply
    977,221.40x = 1,465,832.10 × 346,053.20
  4. Step 4: Simplify right side
    977,221.40x = 507,255,888,867.72
  5. Step 5: Solve for x
    x = 507,255,888,867.72/977,221.40
  6. Step 6: Final answer
    x = 519,079.80

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Similar ratio
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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.