Home / 758,903.10-1,136,314.68-578,127.30

Finding the Fourth Proportional to 758,903.10, 1,136,314.68 and 578,127.30

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Solution

The fourth proportional to 758,903.10, 1,136,314.68 and 578,127.30 is: 865,636.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,903.10 : 1,136,314.68 = 578,127.30 : x
  2. Step 2: Convert to fraction form
    758,903.10/1,136,314.68 = 578,127.30/x
  3. Step 3: Cross multiply
    758,903.10x = 1,136,314.68 × 578,127.30
  4. Step 4: Simplify right side
    758,903.10x = 656,934,537,898.76
  5. Step 5: Solve for x
    x = 656,934,537,898.76/758,903.10
  6. Step 6: Final answer
    x = 865,636.91

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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.