Home / 756,501.80-1,136,064.90-402,207.80

Finding the Fourth Proportional to 756,501.80, 1,136,064.90 and 402,207.80

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Solution

The fourth proportional to 756,501.80, 1,136,064.90 and 402,207.80 is: 604,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,501.80 : 1,136,064.90 = 402,207.80 : x
  2. Step 2: Convert to fraction form
    756,501.80/1,136,064.90 = 402,207.80/x
  3. Step 3: Cross multiply
    756,501.80x = 1,136,064.90 × 402,207.80
  4. Step 4: Simplify right side
    756,501.80x = 456,934,164,086.22
  5. Step 5: Solve for x
    x = 456,934,164,086.22/756,501.80
  6. Step 6: Final answer
    x = 604,009.35

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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.