Home / 630,916.08-870,677.34-344,448.24

Finding the Fourth Proportional to 630,916.08, 870,677.34 and 344,448.24

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Solution

The fourth proportional to 630,916.08, 870,677.34 and 344,448.24 is: 475,345.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,916.08 : 870,677.34 = 344,448.24 : x
  2. Step 2: Convert to fraction form
    630,916.08/870,677.34 = 344,448.24/x
  3. Step 3: Cross multiply
    630,916.08x = 870,677.34 × 344,448.24
  4. Step 4: Simplify right side
    630,916.08x = 299,903,277,370.88
  5. Step 5: Solve for x
    x = 299,903,277,370.88/630,916.08
  6. Step 6: Final answer
    x = 475,345.75

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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.