Home / 917,345.54-1,376,032.64-277,656.24

Finding the Fourth Proportional to 917,345.54, 1,376,032.64 and 277,656.24

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Solution

The fourth proportional to 917,345.54, 1,376,032.64 and 277,656.24 is: 416,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,345.54 : 1,376,032.64 = 277,656.24 : x
  2. Step 2: Convert to fraction form
    917,345.54/1,376,032.64 = 277,656.24/x
  3. Step 3: Cross multiply
    917,345.54x = 1,376,032.64 × 277,656.24
  4. Step 4: Simplify right side
    917,345.54x = 382,064,048,939.67
  5. Step 5: Solve for x
    x = 382,064,048,939.67/917,345.54
  6. Step 6: Final answer
    x = 416,488.70

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1.5x scale

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.