Home / 909,254.94-1,364,275.71-488,038.74

Finding the Fourth Proportional to 909,254.94, 1,364,275.71 and 488,038.74

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Solution

The fourth proportional to 909,254.94, 1,364,275.71 and 488,038.74 is: 732,269.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,254.94 : 1,364,275.71 = 488,038.74 : x
  2. Step 2: Convert to fraction form
    909,254.94/1,364,275.71 = 488,038.74/x
  3. Step 3: Cross multiply
    909,254.94x = 1,364,275.71 × 488,038.74
  4. Step 4: Simplify right side
    909,254.94x = 665,819,398,521.01
  5. Step 5: Solve for x
    x = 665,819,398,521.01/909,254.94
  6. Step 6: Final answer
    x = 732,269.21

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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.