Home / 870,026.08-1,200,542.16-502,480.48

Finding the Fourth Proportional to 870,026.08, 1,200,542.16 and 502,480.48

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Solution

The fourth proportional to 870,026.08, 1,200,542.16 and 502,480.48 is: 693,368.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,026.08 : 1,200,542.16 = 502,480.48 : x
  2. Step 2: Convert to fraction form
    870,026.08/1,200,542.16 = 502,480.48/x
  3. Step 3: Cross multiply
    870,026.08x = 1,200,542.16 × 502,480.48
  4. Step 4: Simplify right side
    870,026.08x = 603,249,000,817.04
  5. Step 5: Solve for x
    x = 603,249,000,817.04/870,026.08
  6. Step 6: Final answer
    x = 693,368.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.