Home / 977,478.40-1,465,148.40-346,067.20

Finding the Fourth Proportional to 977,478.40, 1,465,148.40 and 346,067.20

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Solution

The fourth proportional to 977,478.40, 1,465,148.40 and 346,067.20 is: 518,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,478.40 : 1,465,148.40 = 346,067.20 : x
  2. Step 2: Convert to fraction form
    977,478.40/1,465,148.40 = 346,067.20/x
  3. Step 3: Cross multiply
    977,478.40x = 1,465,148.40 × 346,067.20
  4. Step 4: Simplify right side
    977,478.40x = 507,039,804,372.48
  5. Step 5: Solve for x
    x = 507,039,804,372.48/977,478.40
  6. Step 6: Final answer
    x = 518,722.26

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Double scale
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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.