Home / 867,030.30-1,300,545.45-709,436.70

Finding the Fourth Proportional to 867,030.30, 1,300,545.45 and 709,436.70

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Solution

The fourth proportional to 867,030.30, 1,300,545.45 and 709,436.70 is: 1,064,155.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,030.30 : 1,300,545.45 = 709,436.70 : x
  2. Step 2: Convert to fraction form
    867,030.30/1,300,545.45 = 709,436.70/x
  3. Step 3: Cross multiply
    867,030.30x = 1,300,545.45 × 709,436.70
  4. Step 4: Simplify right side
    867,030.30x = 922,654,672,248.02
  5. Step 5: Solve for x
    x = 922,654,672,248.02/867,030.30
  6. Step 6: Final answer
    x = 1,064,155.05

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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.