Home / 748,129.95-1,032,417.69-408,598.20

Finding the Fourth Proportional to 748,129.95, 1,032,417.69 and 408,598.20

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Solution

The fourth proportional to 748,129.95, 1,032,417.69 and 408,598.20 is: 563,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,129.95 : 1,032,417.69 = 408,598.20 : x
  2. Step 2: Convert to fraction form
    748,129.95/1,032,417.69 = 408,598.20/x
  3. Step 3: Cross multiply
    748,129.95x = 1,032,417.69 × 408,598.20
  4. Step 4: Simplify right side
    748,129.95x = 421,844,009,782.16
  5. Step 5: Solve for x
    x = 421,844,009,782.16/748,129.95
  6. Step 6: Final answer
    x = 563,864.62

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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.