Home / 710,010.40-1,065,015.60-523,386.40

Finding the Fourth Proportional to 710,010.40, 1,065,015.60 and 523,386.40

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Solution

The fourth proportional to 710,010.40, 1,065,015.60 and 523,386.40 is: 785,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,010.40 : 1,065,015.60 = 523,386.40 : x
  2. Step 2: Convert to fraction form
    710,010.40/1,065,015.60 = 523,386.40/x
  3. Step 3: Cross multiply
    710,010.40x = 1,065,015.60 × 523,386.40
  4. Step 4: Simplify right side
    710,010.40x = 557,414,680,827.84
  5. Step 5: Solve for x
    x = 557,414,680,827.84/710,010.40
  6. Step 6: Final answer
    x = 785,079.60

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Double scale
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Similar ratio
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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.