Home / 909,017.72-1,363,526.54-277,931.48

Finding the Fourth Proportional to 909,017.72, 1,363,526.54 and 277,931.48

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Solution

The fourth proportional to 909,017.72, 1,363,526.54 and 277,931.48 is: 416,897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,017.72 : 1,363,526.54 = 277,931.48 : x
  2. Step 2: Convert to fraction form
    909,017.72/1,363,526.54 = 277,931.48/x
  3. Step 3: Cross multiply
    909,017.72x = 1,363,526.54 × 277,931.48
  4. Step 4: Simplify right side
    909,017.72x = 378,966,949,281.48
  5. Step 5: Solve for x
    x = 378,966,949,281.48/909,017.72
  6. Step 6: Final answer
    x = 416,897.21

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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.