Home / 670,501.40-1,005,752.10-558,308.30

Finding the Fourth Proportional to 670,501.40, 1,005,752.10 and 558,308.30

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Solution

The fourth proportional to 670,501.40, 1,005,752.10 and 558,308.30 is: 837,462.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,501.40 : 1,005,752.10 = 558,308.30 : x
  2. Step 2: Convert to fraction form
    670,501.40/1,005,752.10 = 558,308.30/x
  3. Step 3: Cross multiply
    670,501.40x = 1,005,752.10 × 558,308.30
  4. Step 4: Simplify right side
    670,501.40x = 561,519,745,172.43
  5. Step 5: Solve for x
    x = 561,519,745,172.43/670,501.40
  6. Step 6: Final answer
    x = 837,462.45

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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.