Home / 927,718.40-1,390,913.40-358,612.40

Finding the Fourth Proportional to 927,718.40, 1,390,913.40 and 358,612.40

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Solution

The fourth proportional to 927,718.40, 1,390,913.40 and 358,612.40 is: 537,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,718.40 : 1,390,913.40 = 358,612.40 : x
  2. Step 2: Convert to fraction form
    927,718.40/1,390,913.40 = 358,612.40/x
  3. Step 3: Cross multiply
    927,718.40x = 1,390,913.40 × 358,612.40
  4. Step 4: Simplify right side
    927,718.40x = 498,798,792,566.16
  5. Step 5: Solve for x
    x = 498,798,792,566.16/927,718.40
  6. Step 6: Final answer
    x = 537,661.85

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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.