Home / 826,477.48-1,140,460.16-463,818.20

Finding the Fourth Proportional to 826,477.48, 1,140,460.16 and 463,818.20

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Solution

The fourth proportional to 826,477.48, 1,140,460.16 and 463,818.20 is: 640,024.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,477.48 : 1,140,460.16 = 463,818.20 : x
  2. Step 2: Convert to fraction form
    826,477.48/1,140,460.16 = 463,818.20/x
  3. Step 3: Cross multiply
    826,477.48x = 1,140,460.16 × 463,818.20
  4. Step 4: Simplify right side
    826,477.48x = 528,966,178,582.91
  5. Step 5: Solve for x
    x = 528,966,178,582.91/826,477.48
  6. Step 6: Final answer
    x = 640,024.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.