Home / 939,316-1,296,256.08-536,916.64

Finding the Fourth Proportional to 939,316, 1,296,256.08 and 536,916.64

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Solution

The fourth proportional to 939,316, 1,296,256.08 and 536,916.64 is: 740,944.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,316 : 1,296,256.08 = 536,916.64 : x
  2. Step 2: Convert to fraction form
    939,316/1,296,256.08 = 536,916.64/x
  3. Step 3: Cross multiply
    939,316x = 1,296,256.08 × 536,916.64
  4. Step 4: Simplify right side
    939,316x = 695,981,459,053.17
  5. Step 5: Solve for x
    x = 695,981,459,053.17/939,316
  6. Step 6: Final answer
    x = 740,944.96

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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.