Home / 673,038.18-1,009,993.86-402,962.76

Finding the Fourth Proportional to 673,038.18, 1,009,993.86 and 402,962.76

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Solution

The fourth proportional to 673,038.18, 1,009,993.86 and 402,962.76 is: 604,705.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,038.18 : 1,009,993.86 = 402,962.76 : x
  2. Step 2: Convert to fraction form
    673,038.18/1,009,993.86 = 402,962.76/x
  3. Step 3: Cross multiply
    673,038.18x = 1,009,993.86 × 402,962.76
  4. Step 4: Simplify right side
    673,038.18x = 406,989,913,408.65
  5. Step 5: Solve for x
    x = 406,989,913,408.65/673,038.18
  6. Step 6: Final answer
    x = 604,705.54

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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.