Home / 824,429.40-1,235,477.70-507,946.20

Finding the Fourth Proportional to 824,429.40, 1,235,477.70 and 507,946.20

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Solution

The fourth proportional to 824,429.40, 1,235,477.70 and 507,946.20 is: 761,200.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,429.40 : 1,235,477.70 = 507,946.20 : x
  2. Step 2: Convert to fraction form
    824,429.40/1,235,477.70 = 507,946.20/x
  3. Step 3: Cross multiply
    824,429.40x = 1,235,477.70 × 507,946.20
  4. Step 4: Simplify right side
    824,429.40x = 627,556,202,899.74
  5. Step 5: Solve for x
    x = 627,556,202,899.74/824,429.40
  6. Step 6: Final answer
    x = 761,200.66

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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.