Home / 989,532.52-1,484,295.09-358,298.68

Finding the Fourth Proportional to 989,532.52, 1,484,295.09 and 358,298.68

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Solution

The fourth proportional to 989,532.52, 1,484,295.09 and 358,298.68 is: 537,446.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,532.52 : 1,484,295.09 = 358,298.68 : x
  2. Step 2: Convert to fraction form
    989,532.52/1,484,295.09 = 358,298.68/x
  3. Step 3: Cross multiply
    989,532.52x = 1,484,295.09 × 358,298.68
  4. Step 4: Simplify right side
    989,532.52x = 531,820,971,477.48
  5. Step 5: Solve for x
    x = 531,820,971,477.48/989,532.52
  6. Step 6: Final answer
    x = 537,446.68

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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.