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Finding the Fourth Proportional to 582,528.20, 873,792.30 and 498,547.40

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Solution

The fourth proportional to 582,528.20, 873,792.30 and 498,547.40 is: 747,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,528.20 : 873,792.30 = 498,547.40 : x
  2. Step 2: Convert to fraction form
    582,528.20/873,792.30 = 498,547.40/x
  3. Step 3: Cross multiply
    582,528.20x = 873,792.30 × 498,547.40
  4. Step 4: Simplify right side
    582,528.20x = 435,626,879,305.02
  5. Step 5: Solve for x
    x = 435,626,879,305.02/582,528.20
  6. Step 6: Final answer
    x = 747,821.10

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Double scale
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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.