Home / 710,130.68-1,064,828.76-260,736.20

Finding the Fourth Proportional to 710,130.68, 1,064,828.76 and 260,736.20

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Solution

The fourth proportional to 710,130.68, 1,064,828.76 and 260,736.20 is: 390,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,130.68 : 1,064,828.76 = 260,736.20 : x
  2. Step 2: Convert to fraction form
    710,130.68/1,064,828.76 = 260,736.20/x
  3. Step 3: Cross multiply
    710,130.68x = 1,064,828.76 × 260,736.20
  4. Step 4: Simplify right side
    710,130.68x = 277,639,404,533.11
  5. Step 5: Solve for x
    x = 277,639,404,533.11/710,130.68
  6. Step 6: Final answer
    x = 390,969.45

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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.