Home / 977,179.60-1,465,915.20-346,043.80

Finding the Fourth Proportional to 977,179.60, 1,465,915.20 and 346,043.80

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Solution

The fourth proportional to 977,179.60, 1,465,915.20 and 346,043.80 is: 519,117.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,179.60 : 1,465,915.20 = 346,043.80 : x
  2. Step 2: Convert to fraction form
    977,179.60/1,465,915.20 = 346,043.80/x
  3. Step 3: Cross multiply
    977,179.60x = 1,465,915.20 × 346,043.80
  4. Step 4: Simplify right side
    977,179.60x = 507,270,866,285.76
  5. Step 5: Solve for x
    x = 507,270,866,285.76/977,179.60
  6. Step 6: Final answer
    x = 519,117.33

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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.