Home / 915,834.40-1,263,788.53-507,897.95

Finding the Fourth Proportional to 915,834.40, 1,263,788.53 and 507,897.95

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Solution

The fourth proportional to 915,834.40, 1,263,788.53 and 507,897.95 is: 700,864.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,834.40 : 1,263,788.53 = 507,897.95 : x
  2. Step 2: Convert to fraction form
    915,834.40/1,263,788.53 = 507,897.95/x
  3. Step 3: Cross multiply
    915,834.40x = 1,263,788.53 × 507,897.95
  4. Step 4: Simplify right side
    915,834.40x = 641,875,596,031.83
  5. Step 5: Solve for x
    x = 641,875,596,031.83/915,834.40
  6. Step 6: Final answer
    x = 700,864.26

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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.