Home / 652,114.40-977,005.20-402,504.80

Finding the Fourth Proportional to 652,114.40, 977,005.20 and 402,504.80

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Solution

The fourth proportional to 652,114.40, 977,005.20 and 402,504.80 is: 603,037.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,114.40 : 977,005.20 = 402,504.80 : x
  2. Step 2: Convert to fraction form
    652,114.40/977,005.20 = 402,504.80/x
  3. Step 3: Cross multiply
    652,114.40x = 977,005.20 × 402,504.80
  4. Step 4: Simplify right side
    652,114.40x = 393,249,282,624.96
  5. Step 5: Solve for x
    x = 393,249,282,624.96/652,114.40
  6. Step 6: Final answer
    x = 603,037.26

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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.