Home / 977,065.60-1,465,744.20-345,929.80

Finding the Fourth Proportional to 977,065.60, 1,465,744.20 and 345,929.80

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Solution

The fourth proportional to 977,065.60, 1,465,744.20 and 345,929.80 is: 518,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,065.60 : 1,465,744.20 = 345,929.80 : x
  2. Step 2: Convert to fraction form
    977,065.60/1,465,744.20 = 345,929.80/x
  3. Step 3: Cross multiply
    977,065.60x = 1,465,744.20 × 345,929.80
  4. Step 4: Simplify right side
    977,065.60x = 507,044,597,957.16
  5. Step 5: Solve for x
    x = 507,044,597,957.16/977,065.60
  6. Step 6: Final answer
    x = 518,946.32

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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.